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Finding the Fourth Proportional to 359,681.47, 496,360.48 and 198,536.56

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Solution

The fourth proportional to 359,681.47, 496,360.48 and 198,536.56 is: 273,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,681.47 : 496,360.48 = 198,536.56 : x
  2. Step 2: Convert to fraction form
    359,681.47/496,360.48 = 198,536.56/x
  3. Step 3: Cross multiply
    359,681.47x = 496,360.48 × 198,536.56
  4. Step 4: Simplify right side
    359,681.47x = 98,545,702,219.15
  5. Step 5: Solve for x
    x = 98,545,702,219.15/359,681.47
  6. Step 6: Final answer
    x = 273,980.48

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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.