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Finding the Fourth Proportional to 806,838.84, 1,113,586.92 and 467,307

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Solution

The fourth proportional to 806,838.84, 1,113,586.92 and 467,307 is: 644,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,838.84 : 1,113,586.92 = 467,307 : x
  2. Step 2: Convert to fraction form
    806,838.84/1,113,586.92 = 467,307/x
  3. Step 3: Cross multiply
    806,838.84x = 1,113,586.92 × 467,307
  4. Step 4: Simplify right side
    806,838.84x = 520,386,962,824.44
  5. Step 5: Solve for x
    x = 520,386,962,824.44/806,838.84
  6. Step 6: Final answer
    x = 644,970.14

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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.