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Finding the Fourth Proportional to 593,645.60, 890,468.40 and 519,917.60

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Solution

The fourth proportional to 593,645.60, 890,468.40 and 519,917.60 is: 779,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,645.60 : 890,468.40 = 519,917.60 : x
  2. Step 2: Convert to fraction form
    593,645.60/890,468.40 = 519,917.60/x
  3. Step 3: Cross multiply
    593,645.60x = 890,468.40 × 519,917.60
  4. Step 4: Simplify right side
    593,645.60x = 462,970,193,403.84
  5. Step 5: Solve for x
    x = 462,970,193,403.84/593,645.60
  6. Step 6: Final answer
    x = 779,876.40

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Similar ratio
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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.