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Finding the Fourth Proportional to 578,306.70, 867,200.85 and 262,601.10

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Solution

The fourth proportional to 578,306.70, 867,200.85 and 262,601.10 is: 393,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,306.70 : 867,200.85 = 262,601.10 : x
  2. Step 2: Convert to fraction form
    578,306.70/867,200.85 = 262,601.10/x
  3. Step 3: Cross multiply
    578,306.70x = 867,200.85 × 262,601.10
  4. Step 4: Simplify right side
    578,306.70x = 227,727,897,130.94
  5. Step 5: Solve for x
    x = 227,727,897,130.94/578,306.70
  6. Step 6: Final answer
    x = 393,783.95

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1.5x scale

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.