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Finding the Fourth Proportional to 477,925.30, 716,886.13 and 178,481.26

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Solution

The fourth proportional to 477,925.30, 716,886.13 and 178,481.26 is: 267,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,925.30 : 716,886.13 = 178,481.26 : x
  2. Step 2: Convert to fraction form
    477,925.30/716,886.13 = 178,481.26/x
  3. Step 3: Cross multiply
    477,925.30x = 716,886.13 × 178,481.26
  4. Step 4: Simplify right side
    477,925.30x = 127,950,739,758.92
  5. Step 5: Solve for x
    x = 127,950,739,758.92/477,925.30
  6. Step 6: Final answer
    x = 267,721.21

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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.