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Finding the Fourth Proportional to 360,403.70, 497,332.71 and 199,236.98

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Solution

The fourth proportional to 360,403.70, 497,332.71 and 199,236.98 is: 274,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,403.70 : 497,332.71 = 199,236.98 : x
  2. Step 2: Convert to fraction form
    360,403.70/497,332.71 = 199,236.98/x
  3. Step 3: Cross multiply
    360,403.70x = 497,332.71 × 199,236.98
  4. Step 4: Simplify right side
    360,403.70x = 99,087,068,438.95
  5. Step 5: Solve for x
    x = 99,087,068,438.95/360,403.70
  6. Step 6: Final answer
    x = 274,933.55

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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.