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Finding the Fourth Proportional to 662,593.32, 914,400.90 and 360,815.40

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Solution

The fourth proportional to 662,593.32, 914,400.90 and 360,815.40 is: 497,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,593.32 : 914,400.90 = 360,815.40 : x
  2. Step 2: Convert to fraction form
    662,593.32/914,400.90 = 360,815.40/x
  3. Step 3: Cross multiply
    662,593.32x = 914,400.90 × 360,815.40
  4. Step 4: Simplify right side
    662,593.32x = 329,929,926,493.86
  5. Step 5: Solve for x
    x = 329,929,926,493.86/662,593.32
  6. Step 6: Final answer
    x = 497,937.30

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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.