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Finding the Fourth Proportional to 563,289.60, 844,989.60 and 163,934.40

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Solution

The fourth proportional to 563,289.60, 844,989.60 and 163,934.40 is: 245,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,289.60 : 844,989.60 = 163,934.40 : x
  2. Step 2: Convert to fraction form
    563,289.60/844,989.60 = 163,934.40/x
  3. Step 3: Cross multiply
    563,289.60x = 844,989.60 × 163,934.40
  4. Step 4: Simplify right side
    563,289.60x = 138,522,863,082.24
  5. Step 5: Solve for x
    x = 138,522,863,082.24/563,289.60
  6. Step 6: Final answer
    x = 245,917.66

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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.