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Finding the Fourth Proportional to 577,986.10, 866,979.15 and 566,176.30

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Solution

The fourth proportional to 577,986.10, 866,979.15 and 566,176.30 is: 849,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,986.10 : 866,979.15 = 566,176.30 : x
  2. Step 2: Convert to fraction form
    577,986.10/866,979.15 = 566,176.30/x
  3. Step 3: Cross multiply
    577,986.10x = 866,979.15 × 566,176.30
  4. Step 4: Simplify right side
    577,986.10x = 490,863,047,324.15
  5. Step 5: Solve for x
    x = 490,863,047,324.15/577,986.10
  6. Step 6: Final answer
    x = 849,264.45

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Double scale
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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.