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Finding the Fourth Proportional to 549,542.75, 824,432.45 and 170,455.86

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Solution

The fourth proportional to 549,542.75, 824,432.45 and 170,455.86 is: 255,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,542.75 : 824,432.45 = 170,455.86 : x
  2. Step 2: Convert to fraction form
    549,542.75/824,432.45 = 170,455.86/x
  3. Step 3: Cross multiply
    549,542.75x = 824,432.45 × 170,455.86
  4. Step 4: Simplify right side
    549,542.75x = 140,529,341,424.38
  5. Step 5: Solve for x
    x = 140,529,341,424.38/549,542.75
  6. Step 6: Final answer
    x = 255,720.49

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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.