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Finding the Fourth Proportional to 584,068.88, 805,862.70 and 342,221.52

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Solution

The fourth proportional to 584,068.88, 805,862.70 and 342,221.52 is: 472,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,068.88 : 805,862.70 = 342,221.52 : x
  2. Step 2: Convert to fraction form
    584,068.88/805,862.70 = 342,221.52/x
  3. Step 3: Cross multiply
    584,068.88x = 805,862.70 × 342,221.52
  4. Step 4: Simplify right side
    584,068.88x = 275,783,558,105.30
  5. Step 5: Solve for x
    x = 275,783,558,105.30/584,068.88
  6. Step 6: Final answer
    x = 472,176.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.