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Finding the Fourth Proportional to 353,298.60, 495,862.20 and 353,298.60

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Solution

The fourth proportional to 353,298.60, 495,862.20 and 353,298.60 is: 495,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,298.60 : 495,862.20 = 353,298.60 : x
  2. Step 2: Convert to fraction form
    353,298.60/495,862.20 = 353,298.60/x
  3. Step 3: Cross multiply
    353,298.60x = 495,862.20 × 353,298.60
  4. Step 4: Simplify right side
    353,298.60x = 175,187,421,052.92
  5. Step 5: Solve for x
    x = 175,187,421,052.92/353,298.60
  6. Step 6: Final answer
    x = 495,862.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.