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Finding the Fourth Proportional to 359,510.90, 496,127.70 and 198,371.90

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Solution

The fourth proportional to 359,510.90, 496,127.70 and 198,371.90 is: 273,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,510.90 : 496,127.70 = 198,371.90 : x
  2. Step 2: Convert to fraction form
    359,510.90/496,127.70 = 198,371.90/x
  3. Step 3: Cross multiply
    359,510.90x = 496,127.70 × 198,371.90
  4. Step 4: Simplify right side
    359,510.90x = 98,417,794,491.63
  5. Step 5: Solve for x
    x = 98,417,794,491.63/359,510.90
  6. Step 6: Final answer
    x = 273,754.69

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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.