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Finding the Fourth Proportional to 366,259.69, 549,276.53 and 129,547.92

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Solution

The fourth proportional to 366,259.69, 549,276.53 and 129,547.92 is: 194,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,259.69 : 549,276.53 = 129,547.92 : x
  2. Step 2: Convert to fraction form
    366,259.69/549,276.53 = 129,547.92/x
  3. Step 3: Cross multiply
    366,259.69x = 549,276.53 × 129,547.92
  4. Step 4: Simplify right side
    366,259.69x = 71,157,629,219.94
  5. Step 5: Solve for x
    x = 71,157,629,219.94/366,259.69
  6. Step 6: Final answer
    x = 194,281.90

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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.