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Finding the Fourth Proportional to 586,412.10, 879,618.15 and 187,082.10

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Solution

The fourth proportional to 586,412.10, 879,618.15 and 187,082.10 is: 280,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,412.10 : 879,618.15 = 187,082.10 : x
  2. Step 2: Convert to fraction form
    586,412.10/879,618.15 = 187,082.10/x
  3. Step 3: Cross multiply
    586,412.10x = 879,618.15 × 187,082.10
  4. Step 4: Simplify right side
    586,412.10x = 164,560,810,700.12
  5. Step 5: Solve for x
    x = 164,560,810,700.12/586,412.10
  6. Step 6: Final answer
    x = 280,623.15

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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.