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Finding the Fourth Proportional to 577,977.60, 866,923.20 and 240,931.20

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Solution

The fourth proportional to 577,977.60, 866,923.20 and 240,931.20 is: 361,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,977.60 : 866,923.20 = 240,931.20 : x
  2. Step 2: Convert to fraction form
    577,977.60/866,923.20 = 240,931.20/x
  3. Step 3: Cross multiply
    577,977.60x = 866,923.20 × 240,931.20
  4. Step 4: Simplify right side
    577,977.60x = 208,868,846,883.84
  5. Step 5: Solve for x
    x = 208,868,846,883.84/577,977.60
  6. Step 6: Final answer
    x = 361,378.79

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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.