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Finding the Fourth Proportional to 548,900.93, 822,929.29 and 278,807.15

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Solution

The fourth proportional to 548,900.93, 822,929.29 and 278,807.15 is: 417,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,900.93 : 822,929.29 = 278,807.15 : x
  2. Step 2: Convert to fraction form
    548,900.93/822,929.29 = 278,807.15/x
  3. Step 3: Cross multiply
    548,900.93x = 822,929.29 × 278,807.15
  4. Step 4: Simplify right side
    548,900.93x = 229,438,565,184.76
  5. Step 5: Solve for x
    x = 229,438,565,184.76/548,900.93
  6. Step 6: Final answer
    x = 417,996.32

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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.