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Finding the Fourth Proportional to 968,978, 1,453,479.96 and 304,130

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Solution

The fourth proportional to 968,978, 1,453,479.96 and 304,130 is: 456,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,978 : 1,453,479.96 = 304,130 : x
  2. Step 2: Convert to fraction form
    968,978/1,453,479.96 = 304,130/x
  3. Step 3: Cross multiply
    968,978x = 1,453,479.96 × 304,130
  4. Step 4: Simplify right side
    968,978x = 442,046,860,234.80
  5. Step 5: Solve for x
    x = 442,046,860,234.80/968,978
  6. Step 6: Final answer
    x = 456,199.07

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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.