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Finding the Fourth Proportional to 366,493.60, 549,663.60 and 179,639.20

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Solution

The fourth proportional to 366,493.60, 549,663.60 and 179,639.20 is: 269,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,493.60 : 549,663.60 = 179,639.20 : x
  2. Step 2: Convert to fraction form
    366,493.60/549,663.60 = 179,639.20/x
  3. Step 3: Cross multiply
    366,493.60x = 549,663.60 × 179,639.20
  4. Step 4: Simplify right side
    366,493.60x = 98,741,129,373.12
  5. Step 5: Solve for x
    x = 98,741,129,373.12/366,493.60
  6. Step 6: Final answer
    x = 269,421.16

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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.