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Finding the Fourth Proportional to 544,877.38, 817,307.85 and 245,146.30

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Solution

The fourth proportional to 544,877.38, 817,307.85 and 245,146.30 is: 367,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,877.38 : 817,307.85 = 245,146.30 : x
  2. Step 2: Convert to fraction form
    544,877.38/817,307.85 = 245,146.30/x
  3. Step 3: Cross multiply
    544,877.38x = 817,307.85 × 245,146.30
  4. Step 4: Simplify right side
    544,877.38x = 200,359,991,301.92
  5. Step 5: Solve for x
    x = 200,359,991,301.92/544,877.38
  6. Step 6: Final answer
    x = 367,715.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.