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Finding the Fourth Proportional to 637,858.40, 956,787.60 and 462,023.60

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Solution

The fourth proportional to 637,858.40, 956,787.60 and 462,023.60 is: 693,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,858.40 : 956,787.60 = 462,023.60 : x
  2. Step 2: Convert to fraction form
    637,858.40/956,787.60 = 462,023.60/x
  3. Step 3: Cross multiply
    637,858.40x = 956,787.60 × 462,023.60
  4. Step 4: Simplify right side
    637,858.40x = 442,058,451,387.36
  5. Step 5: Solve for x
    x = 442,058,451,387.36/637,858.40
  6. Step 6: Final answer
    x = 693,035.40

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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.