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Finding the Fourth Proportional to 366,295.52, 549,444.72 and 129,638.24

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Solution

The fourth proportional to 366,295.52, 549,444.72 and 129,638.24 is: 194,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,295.52 : 549,444.72 = 129,638.24 : x
  2. Step 2: Convert to fraction form
    366,295.52/549,444.72 = 129,638.24/x
  3. Step 3: Cross multiply
    366,295.52x = 549,444.72 × 129,638.24
  4. Step 4: Simplify right side
    366,295.52x = 71,229,046,478.09
  5. Step 5: Solve for x
    x = 71,229,046,478.09/366,295.52
  6. Step 6: Final answer
    x = 194,457.87

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1.5x scale

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.