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Finding the Fourth Proportional to 358,501.38, 537,779.70 and 92,264.49

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Solution

The fourth proportional to 358,501.38, 537,779.70 and 92,264.49 is: 138,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,501.38 : 537,779.70 = 92,264.49 : x
  2. Step 2: Convert to fraction form
    358,501.38/537,779.70 = 92,264.49/x
  3. Step 3: Cross multiply
    358,501.38x = 537,779.70 × 92,264.49
  4. Step 4: Simplify right side
    358,501.38x = 49,617,969,752.85
  5. Step 5: Solve for x
    x = 49,617,969,752.85/358,501.38
  6. Step 6: Final answer
    x = 138,403.85

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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.