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Finding the Fourth Proportional to 584,458.60, 876,687.90 and 210,346.60

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Solution

The fourth proportional to 584,458.60, 876,687.90 and 210,346.60 is: 315,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,458.60 : 876,687.90 = 210,346.60 : x
  2. Step 2: Convert to fraction form
    584,458.60/876,687.90 = 210,346.60/x
  3. Step 3: Cross multiply
    584,458.60x = 876,687.90 × 210,346.60
  4. Step 4: Simplify right side
    584,458.60x = 184,408,319,026.14
  5. Step 5: Solve for x
    x = 184,408,319,026.14/584,458.60
  6. Step 6: Final answer
    x = 315,519.90

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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.