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Finding the Fourth Proportional to 852,283.84, 1,278,996.48 and 353,648.32

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Solution

The fourth proportional to 852,283.84, 1,278,996.48 and 353,648.32 is: 530,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,283.84 : 1,278,996.48 = 353,648.32 : x
  2. Step 2: Convert to fraction form
    852,283.84/1,278,996.48 = 353,648.32/x
  3. Step 3: Cross multiply
    852,283.84x = 1,278,996.48 × 353,648.32
  4. Step 4: Simplify right side
    852,283.84x = 452,314,956,437.91
  5. Step 5: Solve for x
    x = 452,314,956,437.91/852,283.84
  6. Step 6: Final answer
    x = 530,709.30

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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.