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Finding the Fourth Proportional to 616,054.80, 924,082.20 and 549,132.60

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Solution

The fourth proportional to 616,054.80, 924,082.20 and 549,132.60 is: 823,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,054.80 : 924,082.20 = 549,132.60 : x
  2. Step 2: Convert to fraction form
    616,054.80/924,082.20 = 549,132.60/x
  3. Step 3: Cross multiply
    616,054.80x = 924,082.20 × 549,132.60
  4. Step 4: Simplify right side
    616,054.80x = 507,443,661,099.72
  5. Step 5: Solve for x
    x = 507,443,661,099.72/616,054.80
  6. Step 6: Final answer
    x = 823,698.90

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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.