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Finding the Fourth Proportional to 296,459.80, 445,132.53 and 292,031.12

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Solution

The fourth proportional to 296,459.80, 445,132.53 and 292,031.12 is: 438,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,459.80 : 445,132.53 = 292,031.12 : x
  2. Step 2: Convert to fraction form
    296,459.80/445,132.53 = 292,031.12/x
  3. Step 3: Cross multiply
    296,459.80x = 445,132.53 × 292,031.12
  4. Step 4: Simplify right side
    296,459.80x = 129,992,552,397.17
  5. Step 5: Solve for x
    x = 129,992,552,397.17/296,459.80
  6. Step 6: Final answer
    x = 438,482.90

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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.