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Finding the Fourth Proportional to 549,302.80, 823,954.20 and 216,835.60

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Solution

The fourth proportional to 549,302.80, 823,954.20 and 216,835.60 is: 325,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,302.80 : 823,954.20 = 216,835.60 : x
  2. Step 2: Convert to fraction form
    549,302.80/823,954.20 = 216,835.60/x
  3. Step 3: Cross multiply
    549,302.80x = 823,954.20 × 216,835.60
  4. Step 4: Simplify right side
    549,302.80x = 178,662,603,329.52
  5. Step 5: Solve for x
    x = 178,662,603,329.52/549,302.80
  6. Step 6: Final answer
    x = 325,253.40

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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.