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Finding the Fourth Proportional to 359,155.13, 495,656.42 and 198,009.93

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Solution

The fourth proportional to 359,155.13, 495,656.42 and 198,009.93 is: 273,266.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,155.13 : 495,656.42 = 198,009.93 : x
  2. Step 2: Convert to fraction form
    359,155.13/495,656.42 = 198,009.93/x
  3. Step 3: Cross multiply
    359,155.13x = 495,656.42 × 198,009.93
  4. Step 4: Simplify right side
    359,155.13x = 98,144,893,896.91
  5. Step 5: Solve for x
    x = 98,144,893,896.91/359,155.13
  6. Step 6: Final answer
    x = 273,266.02

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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.