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Finding the Fourth Proportional to 560,372.20, 773,373.20 and 342,708.20

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Solution

The fourth proportional to 560,372.20, 773,373.20 and 342,708.20 is: 472,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,372.20 : 773,373.20 = 342,708.20 : x
  2. Step 2: Convert to fraction form
    560,372.20/773,373.20 = 342,708.20/x
  3. Step 3: Cross multiply
    560,372.20x = 773,373.20 × 342,708.20
  4. Step 4: Simplify right side
    560,372.20x = 265,041,337,300.24
  5. Step 5: Solve for x
    x = 265,041,337,300.24/560,372.20
  6. Step 6: Final answer
    x = 472,973.74

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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.