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Finding the Fourth Proportional to 701,872.40, 1,051,253.40 and 577,456.40

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Solution

The fourth proportional to 701,872.40, 1,051,253.40 and 577,456.40 is: 864,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,872.40 : 1,051,253.40 = 577,456.40 : x
  2. Step 2: Convert to fraction form
    701,872.40/1,051,253.40 = 577,456.40/x
  3. Step 3: Cross multiply
    701,872.40x = 1,051,253.40 × 577,456.40
  4. Step 4: Simplify right side
    701,872.40x = 607,053,003,851.76
  5. Step 5: Solve for x
    x = 607,053,003,851.76/701,872.40
  6. Step 6: Final answer
    x = 864,905.08

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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.