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Finding the Fourth Proportional to 636,688.08, 953,911.06 and 598,760.64

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Solution

The fourth proportional to 636,688.08, 953,911.06 and 598,760.64 is: 897,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,688.08 : 953,911.06 = 598,760.64 : x
  2. Step 2: Convert to fraction form
    636,688.08/953,911.06 = 598,760.64/x
  3. Step 3: Cross multiply
    636,688.08x = 953,911.06 × 598,760.64
  4. Step 4: Simplify right side
    636,688.08x = 571,164,396,788.68
  5. Step 5: Solve for x
    x = 571,164,396,788.68/636,688.08
  6. Step 6: Final answer
    x = 897,086.68

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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.