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Finding the Fourth Proportional to 578,860.11, 798,925.83 and 337,285.86

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Solution

The fourth proportional to 578,860.11, 798,925.83 and 337,285.86 is: 465,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,860.11 : 798,925.83 = 337,285.86 : x
  2. Step 2: Convert to fraction form
    578,860.11/798,925.83 = 337,285.86/x
  3. Step 3: Cross multiply
    578,860.11x = 798,925.83 × 337,285.86
  4. Step 4: Simplify right side
    578,860.11x = 269,466,385,647.76
  5. Step 5: Solve for x
    x = 269,466,385,647.76/578,860.11
  6. Step 6: Final answer
    x = 465,512.10

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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.