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Finding the Fourth Proportional to 586,815.40, 880,223.10 and 187,469.20

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Solution

The fourth proportional to 586,815.40, 880,223.10 and 187,469.20 is: 281,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,815.40 : 880,223.10 = 187,469.20 : x
  2. Step 2: Convert to fraction form
    586,815.40/880,223.10 = 187,469.20/x
  3. Step 3: Cross multiply
    586,815.40x = 880,223.10 × 187,469.20
  4. Step 4: Simplify right side
    586,815.40x = 165,014,720,378.52
  5. Step 5: Solve for x
    x = 165,014,720,378.52/586,815.40
  6. Step 6: Final answer
    x = 281,203.80

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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.