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Finding the Fourth Proportional to 479,079.98, 717,125.23 and 352,862.74

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Solution

The fourth proportional to 479,079.98, 717,125.23 and 352,862.74 is: 528,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,079.98 : 717,125.23 = 352,862.74 : x
  2. Step 2: Convert to fraction form
    479,079.98/717,125.23 = 352,862.74/x
  3. Step 3: Cross multiply
    479,079.98x = 717,125.23 × 352,862.74
  4. Step 4: Simplify right side
    479,079.98x = 253,046,773,580.93
  5. Step 5: Solve for x
    x = 253,046,773,580.93/479,079.98
  6. Step 6: Final answer
    x = 528,193.17

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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.