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Finding the Fourth Proportional to 575,757.33, 862,479.38 and 286,698.13

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Solution

The fourth proportional to 575,757.33, 862,479.38 and 286,698.13 is: 429,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,757.33 : 862,479.38 = 286,698.13 : x
  2. Step 2: Convert to fraction form
    575,757.33/862,479.38 = 286,698.13/x
  3. Step 3: Cross multiply
    575,757.33x = 862,479.38 × 286,698.13
  4. Step 4: Simplify right side
    575,757.33x = 247,271,221,097.16
  5. Step 5: Solve for x
    x = 247,271,221,097.16/575,757.33
  6. Step 6: Final answer
    x = 429,471.25

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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.