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Finding the Fourth Proportional to 544,829.60, 817,244.40 and 418,712.60

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Solution

The fourth proportional to 544,829.60, 817,244.40 and 418,712.60 is: 628,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,829.60 : 817,244.40 = 418,712.60 : x
  2. Step 2: Convert to fraction form
    544,829.60/817,244.40 = 418,712.60/x
  3. Step 3: Cross multiply
    544,829.60x = 817,244.40 × 418,712.60
  4. Step 4: Simplify right side
    544,829.60x = 342,190,527,559.44
  5. Step 5: Solve for x
    x = 342,190,527,559.44/544,829.60
  6. Step 6: Final answer
    x = 628,068.90

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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.