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Finding the Fourth Proportional to 359,267.54, 495,818.74 and 198,154.10

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Solution

The fourth proportional to 359,267.54, 495,818.74 and 198,154.10 is: 273,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,267.54 : 495,818.74 = 198,154.10 : x
  2. Step 2: Convert to fraction form
    359,267.54/495,818.74 = 198,154.10/x
  3. Step 3: Cross multiply
    359,267.54x = 495,818.74 × 198,154.10
  4. Step 4: Simplify right side
    359,267.54x = 98,248,516,187.83
  5. Step 5: Solve for x
    x = 98,248,516,187.83/359,267.54
  6. Step 6: Final answer
    x = 273,468.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.