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Finding the Fourth Proportional to 572,853.60, 857,971.53 and 273,543.84

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Solution

The fourth proportional to 572,853.60, 857,971.53 and 273,543.84 is: 409,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,853.60 : 857,971.53 = 273,543.84 : x
  2. Step 2: Convert to fraction form
    572,853.60/857,971.53 = 273,543.84/x
  3. Step 3: Cross multiply
    572,853.60x = 857,971.53 × 273,543.84
  4. Step 4: Simplify right side
    572,853.60x = 234,692,826,926.88
  5. Step 5: Solve for x
    x = 234,692,826,926.88/572,853.60
  6. Step 6: Final answer
    x = 409,690.76

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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.