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Finding the Fourth Proportional to 360,308.96, 497,275.76 and 207,344.04

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Solution

The fourth proportional to 360,308.96, 497,275.76 and 207,344.04 is: 286,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,308.96 : 497,275.76 = 207,344.04 : x
  2. Step 2: Convert to fraction form
    360,308.96/497,275.76 = 207,344.04/x
  3. Step 3: Cross multiply
    360,308.96x = 497,275.76 × 207,344.04
  4. Step 4: Simplify right side
    360,308.96x = 103,107,165,072.47
  5. Step 5: Solve for x
    x = 103,107,165,072.47/360,308.96
  6. Step 6: Final answer
    x = 286,163.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.