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Finding the Fourth Proportional to 577,822.40, 866,733.60 and 262,894.40

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Solution

The fourth proportional to 577,822.40, 866,733.60 and 262,894.40 is: 394,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,822.40 : 866,733.60 = 262,894.40 : x
  2. Step 2: Convert to fraction form
    577,822.40/866,733.60 = 262,894.40/x
  3. Step 3: Cross multiply
    577,822.40x = 866,733.60 × 262,894.40
  4. Step 4: Simplify right side
    577,822.40x = 227,859,409,731.84
  5. Step 5: Solve for x
    x = 227,859,409,731.84/577,822.40
  6. Step 6: Final answer
    x = 394,341.60

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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.