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Finding the Fourth Proportional to 549,387.28, 824,209.44 and 170,288.16

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Solution

The fourth proportional to 549,387.28, 824,209.44 and 170,288.16 is: 255,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,387.28 : 824,209.44 = 170,288.16 : x
  2. Step 2: Convert to fraction form
    549,387.28/824,209.44 = 170,288.16/x
  3. Step 3: Cross multiply
    549,387.28x = 824,209.44 × 170,288.16
  4. Step 4: Simplify right side
    549,387.28x = 140,353,108,992.23
  5. Step 5: Solve for x
    x = 140,353,108,992.23/549,387.28
  6. Step 6: Final answer
    x = 255,472.08

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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.