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Finding the Fourth Proportional to 359,789.68, 496,506.54 and 198,641.26

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Solution

The fourth proportional to 359,789.68, 496,506.54 and 198,641.26 is: 274,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,789.68 : 496,506.54 = 198,641.26 : x
  2. Step 2: Convert to fraction form
    359,789.68/496,506.54 = 198,641.26/x
  3. Step 3: Cross multiply
    359,789.68x = 496,506.54 × 198,641.26
  4. Step 4: Simplify right side
    359,789.68x = 98,626,684,703.84
  5. Step 5: Solve for x
    x = 98,626,684,703.84/359,789.68
  6. Step 6: Final answer
    x = 274,123.16

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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.