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Finding the Fourth Proportional to 646,725.60, 970,088.40 and 544,082.40

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Solution

The fourth proportional to 646,725.60, 970,088.40 and 544,082.40 is: 816,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,725.60 : 970,088.40 = 544,082.40 : x
  2. Step 2: Convert to fraction form
    646,725.60/970,088.40 = 544,082.40/x
  3. Step 3: Cross multiply
    646,725.60x = 970,088.40 × 544,082.40
  4. Step 4: Simplify right side
    646,725.60x = 527,808,024,884.16
  5. Step 5: Solve for x
    x = 527,808,024,884.16/646,725.60
  6. Step 6: Final answer
    x = 816,123.60

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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.