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Finding the Fourth Proportional to 584,999.40, 876,186.90 and 480,023.40

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Solution

The fourth proportional to 584,999.40, 876,186.90 and 480,023.40 is: 718,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,999.40 : 876,186.90 = 480,023.40 : x
  2. Step 2: Convert to fraction form
    584,999.40/876,186.90 = 480,023.40/x
  3. Step 3: Cross multiply
    584,999.40x = 876,186.90 × 480,023.40
  4. Step 4: Simplify right side
    584,999.40x = 420,590,214,773.46
  5. Step 5: Solve for x
    x = 420,590,214,773.46/584,999.40
  6. Step 6: Final answer
    x = 718,958.37

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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.