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Finding the Fourth Proportional to 706,934.80, 975,560.52 and 384,641.20

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Solution

The fourth proportional to 706,934.80, 975,560.52 and 384,641.20 is: 530,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,934.80 : 975,560.52 = 384,641.20 : x
  2. Step 2: Convert to fraction form
    706,934.80/975,560.52 = 384,641.20/x
  3. Step 3: Cross multiply
    706,934.80x = 975,560.52 × 384,641.20
  4. Step 4: Simplify right side
    706,934.80x = 375,240,769,085.42
  5. Step 5: Solve for x
    x = 375,240,769,085.42/706,934.80
  6. Step 6: Final answer
    x = 530,799.68

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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.