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Finding the Fourth Proportional to 577,868.10, 866,218.95 and 262,551.30

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Solution

The fourth proportional to 577,868.10, 866,218.95 and 262,551.30 is: 393,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,868.10 : 866,218.95 = 262,551.30 : x
  2. Step 2: Convert to fraction form
    577,868.10/866,218.95 = 262,551.30/x
  3. Step 3: Cross multiply
    577,868.10x = 866,218.95 × 262,551.30
  4. Step 4: Simplify right side
    577,868.10x = 227,426,911,407.14
  5. Step 5: Solve for x
    x = 227,426,911,407.14/577,868.10
  6. Step 6: Final answer
    x = 393,561.98

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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.