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Finding the Fourth Proportional to 697,959.46, 963,184.26 and 392,036.32

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Solution

The fourth proportional to 697,959.46, 963,184.26 and 392,036.32 is: 541,010.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,959.46 : 963,184.26 = 392,036.32 : x
  2. Step 2: Convert to fraction form
    697,959.46/963,184.26 = 392,036.32/x
  3. Step 3: Cross multiply
    697,959.46x = 963,184.26 × 392,036.32
  4. Step 4: Simplify right side
    697,959.46x = 377,603,212,772.32
  5. Step 5: Solve for x
    x = 377,603,212,772.32/697,959.46
  6. Step 6: Final answer
    x = 541,010.24

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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.