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Finding the Fourth Proportional to 572,724.52, 859,116.42 and 146,264.32

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Solution

The fourth proportional to 572,724.52, 859,116.42 and 146,264.32 is: 219,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,724.52 : 859,116.42 = 146,264.32 : x
  2. Step 2: Convert to fraction form
    572,724.52/859,116.42 = 146,264.32/x
  3. Step 3: Cross multiply
    572,724.52x = 859,116.42 × 146,264.32
  4. Step 4: Simplify right side
    572,724.52x = 125,658,078,972.13
  5. Step 5: Solve for x
    x = 125,658,078,972.13/572,724.52
  6. Step 6: Final answer
    x = 219,404.05

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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.