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Finding the Fourth Proportional to 589,612.60, 884,418.84 and 146,380.60

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Solution

The fourth proportional to 589,612.60, 884,418.84 and 146,380.60 is: 219,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,612.60 : 884,418.84 = 146,380.60 : x
  2. Step 2: Convert to fraction form
    589,612.60/884,418.84 = 146,380.60/x
  3. Step 3: Cross multiply
    589,612.60x = 884,418.84 × 146,380.60
  4. Step 4: Simplify right side
    589,612.60x = 129,461,760,450.50
  5. Step 5: Solve for x
    x = 129,461,760,450.50/589,612.60
  6. Step 6: Final answer
    x = 219,570.89

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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.