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Finding the Fourth Proportional to 543,712.35, 750,595.76 and 339,876.66

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Solution

The fourth proportional to 543,712.35, 750,595.76 and 339,876.66 is: 469,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,712.35 : 750,595.76 = 339,876.66 : x
  2. Step 2: Convert to fraction form
    543,712.35/750,595.76 = 339,876.66/x
  3. Step 3: Cross multiply
    543,712.35x = 750,595.76 × 339,876.66
  4. Step 4: Simplify right side
    543,712.35x = 255,109,974,466.60
  5. Step 5: Solve for x
    x = 255,109,974,466.60/543,712.35
  6. Step 6: Final answer
    x = 469,200.26

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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.