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Finding the Fourth Proportional to 366,259.43, 549,276.15 and 129,547.67

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Solution

The fourth proportional to 366,259.43, 549,276.15 and 129,547.67 is: 194,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,259.43 : 549,276.15 = 129,547.67 : x
  2. Step 2: Convert to fraction form
    366,259.43/549,276.15 = 129,547.67/x
  3. Step 3: Cross multiply
    366,259.43x = 549,276.15 × 129,547.67
  4. Step 4: Simplify right side
    366,259.43x = 71,157,442,996.56
  5. Step 5: Solve for x
    x = 71,157,442,996.56/366,259.43
  6. Step 6: Final answer
    x = 194,281.53

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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.