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Finding the Fourth Proportional to 604,964.88, 834,862.20 and 329,330.72

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Solution

The fourth proportional to 604,964.88, 834,862.20 and 329,330.72 is: 454,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,964.88 : 834,862.20 = 329,330.72 : x
  2. Step 2: Convert to fraction form
    604,964.88/834,862.20 = 329,330.72/x
  3. Step 3: Cross multiply
    604,964.88x = 834,862.20 × 329,330.72
  4. Step 4: Simplify right side
    604,964.88x = 274,945,769,426.78
  5. Step 5: Solve for x
    x = 274,945,769,426.78/604,964.88
  6. Step 6: Final answer
    x = 454,482.20

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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.