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Finding the Fourth Proportional to 572,894.60, 859,341.90 and 324,062.60

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Solution

The fourth proportional to 572,894.60, 859,341.90 and 324,062.60 is: 486,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,894.60 : 859,341.90 = 324,062.60 : x
  2. Step 2: Convert to fraction form
    572,894.60/859,341.90 = 324,062.60/x
  3. Step 3: Cross multiply
    572,894.60x = 859,341.90 × 324,062.60
  4. Step 4: Simplify right side
    572,894.60x = 278,480,570,402.94
  5. Step 5: Solve for x
    x = 278,480,570,402.94/572,894.60
  6. Step 6: Final answer
    x = 486,093.90

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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.