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Finding the Fourth Proportional to 370,322.79, 511,044.98 and 200,557.59

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Solution

The fourth proportional to 370,322.79, 511,044.98 and 200,557.59 is: 276,769.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,322.79 : 511,044.98 = 200,557.59 : x
  2. Step 2: Convert to fraction form
    370,322.79/511,044.98 = 200,557.59/x
  3. Step 3: Cross multiply
    370,322.79x = 511,044.98 × 200,557.59
  4. Step 4: Simplify right side
    370,322.79x = 102,493,948,567.61
  5. Step 5: Solve for x
    x = 102,493,948,567.61/370,322.79
  6. Step 6: Final answer
    x = 276,769.22

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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.