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Finding the Fourth Proportional to 574,905.60, 862,358.40 and 565,574.40

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Solution

The fourth proportional to 574,905.60, 862,358.40 and 565,574.40 is: 848,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,905.60 : 862,358.40 = 565,574.40 : x
  2. Step 2: Convert to fraction form
    574,905.60/862,358.40 = 565,574.40/x
  3. Step 3: Cross multiply
    574,905.60x = 862,358.40 × 565,574.40
  4. Step 4: Simplify right side
    574,905.60x = 487,727,834,664.96
  5. Step 5: Solve for x
    x = 487,727,834,664.96/574,905.60
  6. Step 6: Final answer
    x = 848,361.60

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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.