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Finding the Fourth Proportional to 875,755.92, 1,314,125.80 and 476,424.56

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Solution

The fourth proportional to 875,755.92, 1,314,125.80 and 476,424.56 is: 714,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,755.92 : 1,314,125.80 = 476,424.56 : x
  2. Step 2: Convert to fraction form
    875,755.92/1,314,125.80 = 476,424.56/x
  3. Step 3: Cross multiply
    875,755.92x = 1,314,125.80 × 476,424.56
  4. Step 4: Simplify right side
    875,755.92x = 626,081,806,049.65
  5. Step 5: Solve for x
    x = 626,081,806,049.65/875,755.92
  6. Step 6: Final answer
    x = 714,904.45

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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.