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Finding the Fourth Proportional to 424,842.98, 586,235.21 and 250,401.78

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Solution

The fourth proportional to 424,842.98, 586,235.21 and 250,401.78 is: 345,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,842.98 : 586,235.21 = 250,401.78 : x
  2. Step 2: Convert to fraction form
    424,842.98/586,235.21 = 250,401.78/x
  3. Step 3: Cross multiply
    424,842.98x = 586,235.21 × 250,401.78
  4. Step 4: Simplify right side
    424,842.98x = 146,794,338,830.67
  5. Step 5: Solve for x
    x = 146,794,338,830.67/424,842.98
  6. Step 6: Final answer
    x = 345,526.11

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1.5x scale

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.