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Finding the Fourth Proportional to 559,499.95, 772,110.05 and 304,851.14

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Solution

The fourth proportional to 559,499.95, 772,110.05 and 304,851.14 is: 420,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,499.95 : 772,110.05 = 304,851.14 : x
  2. Step 2: Convert to fraction form
    559,499.95/772,110.05 = 304,851.14/x
  3. Step 3: Cross multiply
    559,499.95x = 772,110.05 × 304,851.14
  4. Step 4: Simplify right side
    559,499.95x = 235,378,623,563.15
  5. Step 5: Solve for x
    x = 235,378,623,563.15/559,499.95
  6. Step 6: Final answer
    x = 420,694.63

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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.