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Finding the Fourth Proportional to 588,846.30, 883,269.45 and 145,614.30

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Solution

The fourth proportional to 588,846.30, 883,269.45 and 145,614.30 is: 218,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,846.30 : 883,269.45 = 145,614.30 : x
  2. Step 2: Convert to fraction form
    588,846.30/883,269.45 = 145,614.30/x
  3. Step 3: Cross multiply
    588,846.30x = 883,269.45 × 145,614.30
  4. Step 4: Simplify right side
    588,846.30x = 128,616,662,673.14
  5. Step 5: Solve for x
    x = 128,616,662,673.14/588,846.30
  6. Step 6: Final answer
    x = 218,421.45

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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.