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Finding the Fourth Proportional to 573,242.92, 859,988.09 and 173,915.86

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Solution

The fourth proportional to 573,242.92, 859,988.09 and 173,915.86 is: 260,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,242.92 : 859,988.09 = 173,915.86 : x
  2. Step 2: Convert to fraction form
    573,242.92/859,988.09 = 173,915.86/x
  3. Step 3: Cross multiply
    573,242.92x = 859,988.09 × 173,915.86
  4. Step 4: Simplify right side
    573,242.92x = 149,565,567,181.13
  5. Step 5: Solve for x
    x = 149,565,567,181.13/573,242.92
  6. Step 6: Final answer
    x = 260,911.32

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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.