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Finding the Fourth Proportional to 675,565.59, 932,360.45 and 381,222.93

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Solution

The fourth proportional to 675,565.59, 932,360.45 and 381,222.93 is: 526,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,565.59 : 932,360.45 = 381,222.93 : x
  2. Step 2: Convert to fraction form
    675,565.59/932,360.45 = 381,222.93/x
  3. Step 3: Cross multiply
    675,565.59x = 932,360.45 × 381,222.93
  4. Step 4: Simplify right side
    675,565.59x = 355,437,180,659.00
  5. Step 5: Solve for x
    x = 355,437,180,659.00/675,565.59
  6. Step 6: Final answer
    x = 526,132.75

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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.