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Finding the Fourth Proportional to 359,666.33, 496,339.58 and 198,521.42

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Solution

The fourth proportional to 359,666.33, 496,339.58 and 198,521.42 is: 273,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,666.33 : 496,339.58 = 198,521.42 : x
  2. Step 2: Convert to fraction form
    359,666.33/496,339.58 = 198,521.42/x
  3. Step 3: Cross multiply
    359,666.33x = 496,339.58 × 198,521.42
  4. Step 4: Simplify right side
    359,666.33x = 98,534,037,355.23
  5. Step 5: Solve for x
    x = 98,534,037,355.23/359,666.33
  6. Step 6: Final answer
    x = 273,959.58

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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.