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Finding the Fourth Proportional to 366,298.60, 549,545.10 and 129,616.60

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Solution

The fourth proportional to 366,298.60, 549,545.10 and 129,616.60 is: 194,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,298.60 : 549,545.10 = 129,616.60 : x
  2. Step 2: Convert to fraction form
    366,298.60/549,545.10 = 129,616.60/x
  3. Step 3: Cross multiply
    366,298.60x = 549,545.10 × 129,616.60
  4. Step 4: Simplify right side
    366,298.60x = 71,230,167,408.66
  5. Step 5: Solve for x
    x = 71,230,167,408.66/366,298.60
  6. Step 6: Final answer
    x = 194,459.29

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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.