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Finding the Fourth Proportional to 359,187.30, 495,678.04 and 198,044.90

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Solution

The fourth proportional to 359,187.30, 495,678.04 and 198,044.90 is: 273,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,187.30 : 495,678.04 = 198,044.90 : x
  2. Step 2: Convert to fraction form
    359,187.30/495,678.04 = 198,044.90/x
  3. Step 3: Cross multiply
    359,187.30x = 495,678.04 × 198,044.90
  4. Step 4: Simplify right side
    359,187.30x = 98,166,507,864.00
  5. Step 5: Solve for x
    x = 98,166,507,864.00/359,187.30
  6. Step 6: Final answer
    x = 273,301.72

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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.