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Finding the Fourth Proportional to 576,041.80, 864,062.70 and 376,587.40

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Solution

The fourth proportional to 576,041.80, 864,062.70 and 376,587.40 is: 564,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,041.80 : 864,062.70 = 376,587.40 : x
  2. Step 2: Convert to fraction form
    576,041.80/864,062.70 = 376,587.40/x
  3. Step 3: Cross multiply
    576,041.80x = 864,062.70 × 376,587.40
  4. Step 4: Simplify right side
    576,041.80x = 325,395,125,629.98
  5. Step 5: Solve for x
    x = 325,395,125,629.98/576,041.80
  6. Step 6: Final answer
    x = 564,881.10

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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.