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Finding the Fourth Proportional to 627,435.60, 940,116.60 and 534,123.60

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Solution

The fourth proportional to 627,435.60, 940,116.60 and 534,123.60 is: 800,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,435.60 : 940,116.60 = 534,123.60 : x
  2. Step 2: Convert to fraction form
    627,435.60/940,116.60 = 534,123.60/x
  3. Step 3: Cross multiply
    627,435.60x = 940,116.60 × 534,123.60
  4. Step 4: Simplify right side
    627,435.60x = 502,138,462,811.76
  5. Step 5: Solve for x
    x = 502,138,462,811.76/627,435.60
  6. Step 6: Final answer
    x = 800,302.79

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1.5x scale

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.