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Finding the Fourth Proportional to 1,040,352, 1,560,528.64 and 252,384

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Solution

The fourth proportional to 1,040,352, 1,560,528.64 and 252,384 is: 378,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,352 : 1,560,528.64 = 252,384 : x
  2. Step 2: Convert to fraction form
    1,040,352/1,560,528.64 = 252,384/x
  3. Step 3: Cross multiply
    1,040,352x = 1,560,528.64 × 252,384
  4. Step 4: Simplify right side
    1,040,352x = 393,852,460,277.76
  5. Step 5: Solve for x
    x = 393,852,460,277.76/1,040,352
  6. Step 6: Final answer
    x = 378,576.16

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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.