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Finding the Fourth Proportional to 566,543.20, 850,339.68 and 286,257.28

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Solution

The fourth proportional to 566,543.20, 850,339.68 and 286,257.28 is: 429,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,543.20 : 850,339.68 = 286,257.28 : x
  2. Step 2: Convert to fraction form
    566,543.20/850,339.68 = 286,257.28/x
  3. Step 3: Cross multiply
    566,543.20x = 850,339.68 × 286,257.28
  4. Step 4: Simplify right side
    566,543.20x = 243,415,923,872.87
  5. Step 5: Solve for x
    x = 243,415,923,872.87/566,543.20
  6. Step 6: Final answer
    x = 429,651.13

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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.