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Finding the Fourth Proportional to 586,370.10, 879,555.15 and 187,040.10

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Solution

The fourth proportional to 586,370.10, 879,555.15 and 187,040.10 is: 280,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,370.10 : 879,555.15 = 187,040.10 : x
  2. Step 2: Convert to fraction form
    586,370.10/879,555.15 = 187,040.10/x
  3. Step 3: Cross multiply
    586,370.10x = 879,555.15 × 187,040.10
  4. Step 4: Simplify right side
    586,370.10x = 164,512,083,211.52
  5. Step 5: Solve for x
    x = 164,512,083,211.52/586,370.10
  6. Step 6: Final answer
    x = 280,560.15

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Similar ratio
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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.