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Finding the Fourth Proportional to 570,914.31, 856,371.13 and 533,080.32

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Solution

The fourth proportional to 570,914.31, 856,371.13 and 533,080.32 is: 799,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,914.31 : 856,371.13 = 533,080.32 : x
  2. Step 2: Convert to fraction form
    570,914.31/856,371.13 = 533,080.32/x
  3. Step 3: Cross multiply
    570,914.31x = 856,371.13 × 533,080.32
  4. Step 4: Simplify right side
    570,914.31x = 456,514,591,475.07
  5. Step 5: Solve for x
    x = 456,514,591,475.07/570,914.31
  6. Step 6: Final answer
    x = 799,620.16

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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.