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Finding the Fourth Proportional to 1,974,926.84, 2,960,149.98 and 907,763.72

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Solution

The fourth proportional to 1,974,926.84, 2,960,149.98 and 907,763.72 is: 1,360,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,926.84 : 2,960,149.98 = 907,763.72 : x
  2. Step 2: Convert to fraction form
    1,974,926.84/2,960,149.98 = 907,763.72/x
  3. Step 3: Cross multiply
    1,974,926.84x = 2,960,149.98 × 907,763.72
  4. Step 4: Simplify right side
    1,974,926.84x = 2,687,116,757,602.73
  5. Step 5: Solve for x
    x = 2,687,116,757,602.73/1,974,926.84
  6. Step 6: Final answer
    x = 1,360,615.85

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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.