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Finding the Fourth Proportional to 569,480.08, 785,899.02 and 314,847.76

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Solution

The fourth proportional to 569,480.08, 785,899.02 and 314,847.76 is: 434,499.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,480.08 : 785,899.02 = 314,847.76 : x
  2. Step 2: Convert to fraction form
    569,480.08/785,899.02 = 314,847.76/x
  3. Step 3: Cross multiply
    569,480.08x = 785,899.02 × 314,847.76
  4. Step 4: Simplify right side
    569,480.08x = 247,438,546,033.20
  5. Step 5: Solve for x
    x = 247,438,546,033.20/569,480.08
  6. Step 6: Final answer
    x = 434,499.04

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.