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Finding the Fourth Proportional to 579,424.55, 868,100.03 and 473,670.95

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Solution

The fourth proportional to 579,424.55, 868,100.03 and 473,670.95 is: 709,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,424.55 : 868,100.03 = 473,670.95 : x
  2. Step 2: Convert to fraction form
    579,424.55/868,100.03 = 473,670.95/x
  3. Step 3: Cross multiply
    579,424.55x = 868,100.03 × 473,670.95
  4. Step 4: Simplify right side
    579,424.55x = 411,193,763,536.77
  5. Step 5: Solve for x
    x = 411,193,763,536.77/579,424.55
  6. Step 6: Final answer
    x = 709,658.86

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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.