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Finding the Fourth Proportional to 566,586.30, 849,879.45 and 314,643.90

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Solution

The fourth proportional to 566,586.30, 849,879.45 and 314,643.90 is: 471,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,586.30 : 849,879.45 = 314,643.90 : x
  2. Step 2: Convert to fraction form
    566,586.30/849,879.45 = 314,643.90/x
  3. Step 3: Cross multiply
    566,586.30x = 849,879.45 × 314,643.90
  4. Step 4: Simplify right side
    566,586.30x = 267,409,384,677.86
  5. Step 5: Solve for x
    x = 267,409,384,677.86/566,586.30
  6. Step 6: Final answer
    x = 471,965.85

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Double scale
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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.