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Finding the Fourth Proportional to 359,710.45, 496,394.46 and 198,561.34

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Solution

The fourth proportional to 359,710.45, 496,394.46 and 198,561.34 is: 274,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,710.45 : 496,394.46 = 198,561.34 : x
  2. Step 2: Convert to fraction form
    359,710.45/496,394.46 = 198,561.34/x
  3. Step 3: Cross multiply
    359,710.45x = 496,394.46 × 198,561.34
  4. Step 4: Simplify right side
    359,710.45x = 98,564,749,146.18
  5. Step 5: Solve for x
    x = 98,564,749,146.18/359,710.45
  6. Step 6: Final answer
    x = 274,011.36

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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.