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Finding the Fourth Proportional to 577,999.60, 866,956.20 and 240,953.20

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Solution

The fourth proportional to 577,999.60, 866,956.20 and 240,953.20 is: 361,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,999.60 : 866,956.20 = 240,953.20 : x
  2. Step 2: Convert to fraction form
    577,999.60/866,956.20 = 240,953.20/x
  3. Step 3: Cross multiply
    577,999.60x = 866,956.20 × 240,953.20
  4. Step 4: Simplify right side
    577,999.60x = 208,895,870,649.84
  5. Step 5: Solve for x
    x = 208,895,870,649.84/577,999.60
  6. Step 6: Final answer
    x = 361,411.79

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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.