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Finding the Fourth Proportional to 656,744.70, 906,308.76 and 370,264.02

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Solution

The fourth proportional to 656,744.70, 906,308.76 and 370,264.02 is: 510,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,744.70 : 906,308.76 = 370,264.02 : x
  2. Step 2: Convert to fraction form
    656,744.70/906,308.76 = 370,264.02/x
  3. Step 3: Cross multiply
    656,744.70x = 906,308.76 × 370,264.02
  4. Step 4: Simplify right side
    656,744.70x = 335,573,524,838.82
  5. Step 5: Solve for x
    x = 335,573,524,838.82/656,744.70
  6. Step 6: Final answer
    x = 510,964.95

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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.