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Finding the Fourth Proportional to 359,707.04, 496,423.20 and 198,593.12

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Solution

The fourth proportional to 359,707.04, 496,423.20 and 198,593.12 is: 274,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,707.04 : 496,423.20 = 198,593.12 : x
  2. Step 2: Convert to fraction form
    359,707.04/496,423.20 = 198,593.12/x
  3. Step 3: Cross multiply
    359,707.04x = 496,423.20 × 198,593.12
  4. Step 4: Simplify right side
    359,707.04x = 98,586,232,128.38
  5. Step 5: Solve for x
    x = 98,586,232,128.38/359,707.04
  6. Step 6: Final answer
    x = 274,073.68

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Half scale
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Double scale
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Similar ratio
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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.