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Finding the Fourth Proportional to 677,164.61, 934,466.92 and 371,230.53

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Solution

The fourth proportional to 677,164.61, 934,466.92 and 371,230.53 is: 512,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,164.61 : 934,466.92 = 371,230.53 : x
  2. Step 2: Convert to fraction form
    677,164.61/934,466.92 = 371,230.53/x
  3. Step 3: Cross multiply
    677,164.61x = 934,466.92 × 371,230.53
  4. Step 4: Simplify right side
    677,164.61x = 346,902,649,050.99
  5. Step 5: Solve for x
    x = 346,902,649,050.99/677,164.61
  6. Step 6: Final answer
    x = 512,287.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.