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Finding the Fourth Proportional to 616,728.60, 925,092.90 and 549,077.40

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Solution

The fourth proportional to 616,728.60, 925,092.90 and 549,077.40 is: 823,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,728.60 : 925,092.90 = 549,077.40 : x
  2. Step 2: Convert to fraction form
    616,728.60/925,092.90 = 549,077.40/x
  3. Step 3: Cross multiply
    616,728.60x = 925,092.90 × 549,077.40
  4. Step 4: Simplify right side
    616,728.60x = 507,947,604,290.46
  5. Step 5: Solve for x
    x = 507,947,604,290.46/616,728.60
  6. Step 6: Final answer
    x = 823,616.10

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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.