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Finding the Fourth Proportional to 636,673.30, 955,451.55 and 479,233.30

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Solution

The fourth proportional to 636,673.30, 955,451.55 and 479,233.30 is: 719,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,673.30 : 955,451.55 = 479,233.30 : x
  2. Step 2: Convert to fraction form
    636,673.30/955,451.55 = 479,233.30/x
  3. Step 3: Cross multiply
    636,673.30x = 955,451.55 × 479,233.30
  4. Step 4: Simplify right side
    636,673.30x = 457,884,199,296.62
  5. Step 5: Solve for x
    x = 457,884,199,296.62/636,673.30
  6. Step 6: Final answer
    x = 719,182.35

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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.