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Finding the Fourth Proportional to 369,084.99, 509,337.26 and 199,319.11

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Solution

The fourth proportional to 369,084.99, 509,337.26 and 199,319.11 is: 275,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,084.99 : 509,337.26 = 199,319.11 : x
  2. Step 2: Convert to fraction form
    369,084.99/509,337.26 = 199,319.11/x
  3. Step 3: Cross multiply
    369,084.99x = 509,337.26 × 199,319.11
  4. Step 4: Simplify right side
    369,084.99x = 101,520,649,353.04
  5. Step 5: Solve for x
    x = 101,520,649,353.04/369,084.99
  6. Step 6: Final answer
    x = 275,060.36

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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.