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Finding the Fourth Proportional to 694,732.80, 958,233.60 and 426,547.20

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Solution

The fourth proportional to 694,732.80, 958,233.60 and 426,547.20 is: 588,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,732.80 : 958,233.60 = 426,547.20 : x
  2. Step 2: Convert to fraction form
    694,732.80/958,233.60 = 426,547.20/x
  3. Step 3: Cross multiply
    694,732.80x = 958,233.60 × 426,547.20
  4. Step 4: Simplify right side
    694,732.80x = 408,731,859,025.92
  5. Step 5: Solve for x
    x = 408,731,859,025.92/694,732.80
  6. Step 6: Final answer
    x = 588,329.58

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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.