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Finding the Fourth Proportional to 572,278.40, 858,417.60 and 335,734.40

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Solution

The fourth proportional to 572,278.40, 858,417.60 and 335,734.40 is: 503,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,278.40 : 858,417.60 = 335,734.40 : x
  2. Step 2: Convert to fraction form
    572,278.40/858,417.60 = 335,734.40/x
  3. Step 3: Cross multiply
    572,278.40x = 858,417.60 × 335,734.40
  4. Step 4: Simplify right side
    572,278.40x = 288,200,317,885.44
  5. Step 5: Solve for x
    x = 288,200,317,885.44/572,278.40
  6. Step 6: Final answer
    x = 503,601.60

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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.