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Finding the Fourth Proportional to 584,912.90, 875,814.15 and 373,405.70

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Solution

The fourth proportional to 584,912.90, 875,814.15 and 373,405.70 is: 559,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,912.90 : 875,814.15 = 373,405.70 : x
  2. Step 2: Convert to fraction form
    584,912.90/875,814.15 = 373,405.70/x
  3. Step 3: Cross multiply
    584,912.90x = 875,814.15 × 373,405.70
  4. Step 4: Simplify right side
    584,912.90x = 327,033,995,750.66
  5. Step 5: Solve for x
    x = 327,033,995,750.66/584,912.90
  6. Step 6: Final answer
    x = 559,115.72

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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.