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Finding the Fourth Proportional to 549,489.30, 824,233.95 and 170,409.30

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Solution

The fourth proportional to 549,489.30, 824,233.95 and 170,409.30 is: 255,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,489.30 : 824,233.95 = 170,409.30 : x
  2. Step 2: Convert to fraction form
    549,489.30/824,233.95 = 170,409.30/x
  3. Step 3: Cross multiply
    549,489.30x = 824,233.95 × 170,409.30
  4. Step 4: Simplify right side
    549,489.30x = 140,457,130,455.74
  5. Step 5: Solve for x
    x = 140,457,130,455.74/549,489.30
  6. Step 6: Final answer
    x = 255,613.95

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Double scale
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Similar ratio
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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.