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Finding the Fourth Proportional to 358,574.28, 537,861.78 and 92,335.38

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Solution

The fourth proportional to 358,574.28, 537,861.78 and 92,335.38 is: 138,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,574.28 : 537,861.78 = 92,335.38 : x
  2. Step 2: Convert to fraction form
    358,574.28/537,861.78 = 92,335.38/x
  3. Step 3: Cross multiply
    358,574.28x = 537,861.78 × 92,335.38
  4. Step 4: Simplify right side
    358,574.28x = 49,663,671,843.78
  5. Step 5: Solve for x
    x = 49,663,671,843.78/358,574.28
  6. Step 6: Final answer
    x = 138,503.16

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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.