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Finding the Fourth Proportional to 945,459, 1,417,393.02 and 439,763.04

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Solution

The fourth proportional to 945,459, 1,417,393.02 and 439,763.04 is: 659,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,459 : 1,417,393.02 = 439,763.04 : x
  2. Step 2: Convert to fraction form
    945,459/1,417,393.02 = 439,763.04/x
  3. Step 3: Cross multiply
    945,459x = 1,417,393.02 × 439,763.04
  4. Step 4: Simplify right side
    945,459x = 623,317,063,349.98
  5. Step 5: Solve for x
    x = 623,317,063,349.98/945,459
  6. Step 6: Final answer
    x = 659,274.56

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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.