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Finding the Fourth Proportional to 549,415.41, 824,404.40 and 261,552.85

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Solution

The fourth proportional to 549,415.41, 824,404.40 and 261,552.85 is: 392,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,415.41 : 824,404.40 = 261,552.85 : x
  2. Step 2: Convert to fraction form
    549,415.41/824,404.40 = 261,552.85/x
  3. Step 3: Cross multiply
    549,415.41x = 824,404.40 × 261,552.85
  4. Step 4: Simplify right side
    549,415.41x = 215,625,317,984.59
  5. Step 5: Solve for x
    x = 215,625,317,984.59/549,415.41
  6. Step 6: Final answer
    x = 392,463.18

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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.