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Finding the Fourth Proportional to 303,758.88, 419,116.32 and 176,357.76

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Solution

The fourth proportional to 303,758.88, 419,116.32 and 176,357.76 is: 243,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,758.88 : 419,116.32 = 176,357.76 : x
  2. Step 2: Convert to fraction form
    303,758.88/419,116.32 = 176,357.76/x
  3. Step 3: Cross multiply
    303,758.88x = 419,116.32 × 176,357.76
  4. Step 4: Simplify right side
    303,758.88x = 73,914,415,374.64
  5. Step 5: Solve for x
    x = 73,914,415,374.64/303,758.88
  6. Step 6: Final answer
    x = 243,332.53

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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.