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Finding the Fourth Proportional to 549,422.10, 824,133.15 and 460,848.60

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Solution

The fourth proportional to 549,422.10, 824,133.15 and 460,848.60 is: 691,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,422.10 : 824,133.15 = 460,848.60 : x
  2. Step 2: Convert to fraction form
    549,422.10/824,133.15 = 460,848.60/x
  3. Step 3: Cross multiply
    549,422.10x = 824,133.15 × 460,848.60
  4. Step 4: Simplify right side
    549,422.10x = 379,800,608,391.09
  5. Step 5: Solve for x
    x = 379,800,608,391.09/549,422.10
  6. Step 6: Final answer
    x = 691,272.90

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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.