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Finding the Fourth Proportional to 398,862.63, 597,958.35 and 185,522.13

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Solution

The fourth proportional to 398,862.63, 597,958.35 and 185,522.13 is: 278,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,862.63 : 597,958.35 = 185,522.13 : x
  2. Step 2: Convert to fraction form
    398,862.63/597,958.35 = 185,522.13/x
  3. Step 3: Cross multiply
    398,862.63x = 597,958.35 × 185,522.13
  4. Step 4: Simplify right side
    398,862.63x = 110,934,506,743.29
  5. Step 5: Solve for x
    x = 110,934,506,743.29/398,862.63
  6. Step 6: Final answer
    x = 278,127.10

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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.