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Finding the Fourth Proportional to 608,432.10, 910,898.55 and 372,236.10

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Solution

The fourth proportional to 608,432.10, 910,898.55 and 372,236.10 is: 557,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,432.10 : 910,898.55 = 372,236.10 : x
  2. Step 2: Convert to fraction form
    608,432.10/910,898.55 = 372,236.10/x
  3. Step 3: Cross multiply
    608,432.10x = 910,898.55 × 372,236.10
  4. Step 4: Simplify right side
    608,432.10x = 339,069,323,747.66
  5. Step 5: Solve for x
    x = 339,069,323,747.66/608,432.10
  6. Step 6: Final answer
    x = 557,283.75

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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.