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Finding the Fourth Proportional to 574,303.25, 861,454.83 and 153,568.19

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Solution

The fourth proportional to 574,303.25, 861,454.83 and 153,568.19 is: 230,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,303.25 : 861,454.83 = 153,568.19 : x
  2. Step 2: Convert to fraction form
    574,303.25/861,454.83 = 153,568.19/x
  3. Step 3: Cross multiply
    574,303.25x = 861,454.83 × 153,568.19
  4. Step 4: Simplify right side
    574,303.25x = 132,292,059,009.86
  5. Step 5: Solve for x
    x = 132,292,059,009.86/574,303.25
  6. Step 6: Final answer
    x = 230,352.27

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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.