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Finding the Fourth Proportional to 366,210.61, 549,367.80 and 113,510.96

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Solution

The fourth proportional to 366,210.61, 549,367.80 and 113,510.96 is: 170,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,210.61 : 549,367.80 = 113,510.96 : x
  2. Step 2: Convert to fraction form
    366,210.61/549,367.80 = 113,510.96/x
  3. Step 3: Cross multiply
    366,210.61x = 549,367.80 × 113,510.96
  4. Step 4: Simplify right side
    366,210.61x = 62,359,266,371.09
  5. Step 5: Solve for x
    x = 62,359,266,371.09/366,210.61
  6. Step 6: Final answer
    x = 170,282.52

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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.