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Finding the Fourth Proportional to 359,681.49, 496,351.04 and 198,533.07

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Solution

The fourth proportional to 359,681.49, 496,351.04 and 198,533.07 is: 273,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,681.49 : 496,351.04 = 198,533.07 : x
  2. Step 2: Convert to fraction form
    359,681.49/496,351.04 = 198,533.07/x
  3. Step 3: Cross multiply
    359,681.49x = 496,351.04 × 198,533.07
  4. Step 4: Simplify right side
    359,681.49x = 98,542,094,776.23
  5. Step 5: Solve for x
    x = 98,542,094,776.23/359,681.49
  6. Step 6: Final answer
    x = 273,970.44

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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.