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Finding the Fourth Proportional to 573,617.60, 860,426.40 and 324,785.60

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Solution

The fourth proportional to 573,617.60, 860,426.40 and 324,785.60 is: 487,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,617.60 : 860,426.40 = 324,785.60 : x
  2. Step 2: Convert to fraction form
    573,617.60/860,426.40 = 324,785.60/x
  3. Step 3: Cross multiply
    573,617.60x = 860,426.40 × 324,785.60
  4. Step 4: Simplify right side
    573,617.60x = 279,454,104,579.84
  5. Step 5: Solve for x
    x = 279,454,104,579.84/573,617.60
  6. Step 6: Final answer
    x = 487,178.40

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Similar ratio
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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.