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Finding the Fourth Proportional to 359,742.84, 496,432.08 and 198,594.42

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Solution

The fourth proportional to 359,742.84, 496,432.08 and 198,594.42 is: 274,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,742.84 : 496,432.08 = 198,594.42 : x
  2. Step 2: Convert to fraction form
    359,742.84/496,432.08 = 198,594.42/x
  3. Step 3: Cross multiply
    359,742.84x = 496,432.08 × 198,594.42
  4. Step 4: Simplify right side
    359,742.84x = 98,588,640,996.99
  5. Step 5: Solve for x
    x = 98,588,640,996.99/359,742.84
  6. Step 6: Final answer
    x = 274,053.10

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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.