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Finding the Fourth Proportional to 359,196.18, 495,712.80 and 198,050.73

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Solution

The fourth proportional to 359,196.18, 495,712.80 and 198,050.73 is: 273,322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,196.18 : 495,712.80 = 198,050.73 : x
  2. Step 2: Convert to fraction form
    359,196.18/495,712.80 = 198,050.73/x
  3. Step 3: Cross multiply
    359,196.18x = 495,712.80 × 198,050.73
  4. Step 4: Simplify right side
    359,196.18x = 98,176,281,910.34
  5. Step 5: Solve for x
    x = 98,176,281,910.34/359,196.18
  6. Step 6: Final answer
    x = 273,322.18

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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.