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Finding the Fourth Proportional to 677,327.13, 934,700.61 and 371,406.15

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Solution

The fourth proportional to 677,327.13, 934,700.61 and 371,406.15 is: 512,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,327.13 : 934,700.61 = 371,406.15 : x
  2. Step 2: Convert to fraction form
    677,327.13/934,700.61 = 371,406.15/x
  3. Step 3: Cross multiply
    677,327.13x = 934,700.61 × 371,406.15
  4. Step 4: Simplify right side
    677,327.13x = 347,153,558,984.37
  5. Step 5: Solve for x
    x = 347,153,558,984.37/677,327.13
  6. Step 6: Final answer
    x = 512,534.55

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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.