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Finding the Fourth Proportional to 560,367.20, 773,366.30 and 342,703.21

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Solution

The fourth proportional to 560,367.20, 773,366.30 and 342,703.21 is: 472,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,367.20 : 773,366.30 = 342,703.21 : x
  2. Step 2: Convert to fraction form
    560,367.20/773,366.30 = 342,703.21/x
  3. Step 3: Cross multiply
    560,367.20x = 773,366.30 × 342,703.21
  4. Step 4: Simplify right side
    560,367.20x = 265,035,107,935.48
  5. Step 5: Solve for x
    x = 265,035,107,935.48/560,367.20
  6. Step 6: Final answer
    x = 472,966.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.