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Finding the Fourth Proportional to 359,681.99, 496,351.73 and 198,533.57

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Solution

The fourth proportional to 359,681.99, 496,351.73 and 198,533.57 is: 273,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,681.99 : 496,351.73 = 198,533.57 : x
  2. Step 2: Convert to fraction form
    359,681.99/496,351.73 = 198,533.57/x
  3. Step 3: Cross multiply
    359,681.99x = 496,351.73 × 198,533.57
  4. Step 4: Simplify right side
    359,681.99x = 98,542,479,939.91
  5. Step 5: Solve for x
    x = 98,542,479,939.91/359,681.99
  6. Step 6: Final answer
    x = 273,971.13

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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.