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Finding the Fourth Proportional to 453,324.55, 680,478.90 and 353,925.40

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Solution

The fourth proportional to 453,324.55, 680,478.90 and 353,925.40 is: 531,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,324.55 : 680,478.90 = 353,925.40 : x
  2. Step 2: Convert to fraction form
    453,324.55/680,478.90 = 353,925.40/x
  3. Step 3: Cross multiply
    453,324.55x = 680,478.90 × 353,925.40
  4. Step 4: Simplify right side
    453,324.55x = 240,838,766,874.06
  5. Step 5: Solve for x
    x = 240,838,766,874.06/453,324.55
  6. Step 6: Final answer
    x = 531,272.28

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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.