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Finding the Fourth Proportional to 497,700.80, 744,801.60 and 347,235.20

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Solution

The fourth proportional to 497,700.80, 744,801.60 and 347,235.20 is: 519,632.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,700.80 : 744,801.60 = 347,235.20 : x
  2. Step 2: Convert to fraction form
    497,700.80/744,801.60 = 347,235.20/x
  3. Step 3: Cross multiply
    497,700.80x = 744,801.60 × 347,235.20
  4. Step 4: Simplify right side
    497,700.80x = 258,621,332,536.32
  5. Step 5: Solve for x
    x = 258,621,332,536.32/497,700.80
  6. Step 6: Final answer
    x = 519,632.14

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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.