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Finding the Fourth Proportional to 607,375.10, 910,479.45 and 472,364.30

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Solution

The fourth proportional to 607,375.10, 910,479.45 and 472,364.30 is: 708,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,375.10 : 910,479.45 = 472,364.30 : x
  2. Step 2: Convert to fraction form
    607,375.10/910,479.45 = 472,364.30/x
  3. Step 3: Cross multiply
    607,375.10x = 910,479.45 × 472,364.30
  4. Step 4: Simplify right side
    607,375.10x = 430,077,988,063.64
  5. Step 5: Solve for x
    x = 430,077,988,063.64/607,375.10
  6. Step 6: Final answer
    x = 708,092.89

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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.