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Finding the Fourth Proportional to 359,152.38, 495,633.72 and 198,013.20

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Solution

The fourth proportional to 359,152.38, 495,633.72 and 198,013.20 is: 273,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,152.38 : 495,633.72 = 198,013.20 : x
  2. Step 2: Convert to fraction form
    359,152.38/495,633.72 = 198,013.20/x
  3. Step 3: Cross multiply
    359,152.38x = 495,633.72 × 198,013.20
  4. Step 4: Simplify right side
    359,152.38x = 98,142,017,935.04
  5. Step 5: Solve for x
    x = 98,142,017,935.04/359,152.38
  6. Step 6: Final answer
    x = 273,260.11

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1.5x scale

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.