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Finding the Fourth Proportional to 359,706.18, 496,394.60 and 198,561.34

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Solution

The fourth proportional to 359,706.18, 496,394.60 and 198,561.34 is: 274,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,706.18 : 496,394.60 = 198,561.34 : x
  2. Step 2: Convert to fraction form
    359,706.18/496,394.60 = 198,561.34/x
  3. Step 3: Cross multiply
    359,706.18x = 496,394.60 × 198,561.34
  4. Step 4: Simplify right side
    359,706.18x = 98,564,776,572.45
  5. Step 5: Solve for x
    x = 98,564,776,572.45/359,706.18
  6. Step 6: Final answer
    x = 274,014.68

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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.