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Finding the Fourth Proportional to 366,329.55, 549,330.30 and 141,615.30

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Solution

The fourth proportional to 366,329.55, 549,330.30 and 141,615.30 is: 212,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,329.55 : 549,330.30 = 141,615.30 : x
  2. Step 2: Convert to fraction form
    366,329.55/549,330.30 = 141,615.30/x
  3. Step 3: Cross multiply
    366,329.55x = 549,330.30 × 141,615.30
  4. Step 4: Simplify right side
    366,329.55x = 77,793,575,233.59
  5. Step 5: Solve for x
    x = 77,793,575,233.59/366,329.55
  6. Step 6: Final answer
    x = 212,359.54

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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.