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Finding the Fourth Proportional to 417,845.64, 627,126.35 and 414,700.46

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Solution

The fourth proportional to 417,845.64, 627,126.35 and 414,700.46 is: 622,405.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,845.64 : 627,126.35 = 414,700.46 : x
  2. Step 2: Convert to fraction form
    417,845.64/627,126.35 = 414,700.46/x
  3. Step 3: Cross multiply
    417,845.64x = 627,126.35 × 414,700.46
  4. Step 4: Simplify right side
    417,845.64x = 260,069,585,298.40
  5. Step 5: Solve for x
    x = 260,069,585,298.40/417,845.64
  6. Step 6: Final answer
    x = 622,405.89

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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.