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Finding the Fourth Proportional to 549,735.56, 824,885.48 and 261,873.20

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Solution

The fourth proportional to 549,735.56, 824,885.48 and 261,873.20 is: 392,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,735.56 : 824,885.48 = 261,873.20 : x
  2. Step 2: Convert to fraction form
    549,735.56/824,885.48 = 261,873.20/x
  3. Step 3: Cross multiply
    549,735.56x = 824,885.48 × 261,873.20
  4. Step 4: Simplify right side
    549,735.56x = 216,015,396,156.71
  5. Step 5: Solve for x
    x = 216,015,396,156.71/549,735.56
  6. Step 6: Final answer
    x = 392,944.20

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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.