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Finding the Fourth Proportional to 659,618.32, 910,293.24 and 373,132.84

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Solution

The fourth proportional to 659,618.32, 910,293.24 and 373,132.84 is: 514,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,618.32 : 910,293.24 = 373,132.84 : x
  2. Step 2: Convert to fraction form
    659,618.32/910,293.24 = 373,132.84/x
  3. Step 3: Cross multiply
    659,618.32x = 910,293.24 × 373,132.84
  4. Step 4: Simplify right side
    659,618.32x = 339,660,301,874.00
  5. Step 5: Solve for x
    x = 339,660,301,874.00/659,618.32
  6. Step 6: Final answer
    x = 514,934.61

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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.