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Finding the Fourth Proportional to 575,757.45, 862,479.57 and 286,698.25

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Solution

The fourth proportional to 575,757.45, 862,479.57 and 286,698.25 is: 429,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,757.45 : 862,479.57 = 286,698.25 : x
  2. Step 2: Convert to fraction form
    575,757.45/862,479.57 = 286,698.25/x
  3. Step 3: Cross multiply
    575,757.45x = 862,479.57 × 286,698.25
  4. Step 4: Simplify right side
    575,757.45x = 247,271,383,379.75
  5. Step 5: Solve for x
    x = 247,271,383,379.75/575,757.45
  6. Step 6: Final answer
    x = 429,471.44

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Half scale
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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.