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Finding the Fourth Proportional to 589,904.30, 884,856.45 and 146,672.30

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Solution

The fourth proportional to 589,904.30, 884,856.45 and 146,672.30 is: 220,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,904.30 : 884,856.45 = 146,672.30 : x
  2. Step 2: Convert to fraction form
    589,904.30/884,856.45 = 146,672.30/x
  3. Step 3: Cross multiply
    589,904.30x = 884,856.45 × 146,672.30
  4. Step 4: Simplify right side
    589,904.30x = 129,783,930,691.34
  5. Step 5: Solve for x
    x = 129,783,930,691.34/589,904.30
  6. Step 6: Final answer
    x = 220,008.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.