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Finding the Fourth Proportional to 528,454.59, 792,708.56 and 149,402.55

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Solution

The fourth proportional to 528,454.59, 792,708.56 and 149,402.55 is: 224,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,454.59 : 792,708.56 = 149,402.55 : x
  2. Step 2: Convert to fraction form
    528,454.59/792,708.56 = 149,402.55/x
  3. Step 3: Cross multiply
    528,454.59x = 792,708.56 × 149,402.55
  4. Step 4: Simplify right side
    528,454.59x = 118,432,679,523.82
  5. Step 5: Solve for x
    x = 118,432,679,523.82/528,454.59
  6. Step 6: Final answer
    x = 224,111.37

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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.