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Finding the Fourth Proportional to 359,814.59, 496,534.66 and 198,666.17

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Solution

The fourth proportional to 359,814.59, 496,534.66 and 198,666.17 is: 274,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,814.59 : 496,534.66 = 198,666.17 : x
  2. Step 2: Convert to fraction form
    359,814.59/496,534.66 = 198,666.17/x
  3. Step 3: Cross multiply
    359,814.59x = 496,534.66 × 198,666.17
  4. Step 4: Simplify right side
    359,814.59x = 98,644,638,057.12
  5. Step 5: Solve for x
    x = 98,644,638,057.12/359,814.59
  6. Step 6: Final answer
    x = 274,154.08

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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.