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Finding the Fourth Proportional to 366,382.90, 549,652.72 and 113,657.91

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Solution

The fourth proportional to 366,382.90, 549,652.72 and 113,657.91 is: 170,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,382.90 : 549,652.72 = 113,657.91 : x
  2. Step 2: Convert to fraction form
    366,382.90/549,652.72 = 113,657.91/x
  3. Step 3: Cross multiply
    366,382.90x = 549,652.72 × 113,657.91
  4. Step 4: Simplify right side
    366,382.90x = 62,472,379,381.02
  5. Step 5: Solve for x
    x = 62,472,379,381.02/366,382.90
  6. Step 6: Final answer
    x = 170,511.18

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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.