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Finding the Fourth Proportional to 576,041.60, 864,062.40 and 365,052.80

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Solution

The fourth proportional to 576,041.60, 864,062.40 and 365,052.80 is: 547,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,041.60 : 864,062.40 = 365,052.80 : x
  2. Step 2: Convert to fraction form
    576,041.60/864,062.40 = 365,052.80/x
  3. Step 3: Cross multiply
    576,041.60x = 864,062.40 × 365,052.80
  4. Step 4: Simplify right side
    576,041.60x = 315,428,398,494.72
  5. Step 5: Solve for x
    x = 315,428,398,494.72/576,041.60
  6. Step 6: Final answer
    x = 547,579.20

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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.