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Finding the Fourth Proportional to 359,129.38, 495,602.36 and 197,990.19

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Solution

The fourth proportional to 359,129.38, 495,602.36 and 197,990.19 is: 273,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,129.38 : 495,602.36 = 197,990.19 : x
  2. Step 2: Convert to fraction form
    359,129.38/495,602.36 = 197,990.19/x
  3. Step 3: Cross multiply
    359,129.38x = 495,602.36 × 197,990.19
  4. Step 4: Simplify right side
    359,129.38x = 98,124,404,430.90
  5. Step 5: Solve for x
    x = 98,124,404,430.90/359,129.38
  6. Step 6: Final answer
    x = 273,228.57

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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.