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Finding the Fourth Proportional to 1,560,528, 2,340,792.96 and 378,576

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Solution

The fourth proportional to 1,560,528, 2,340,792.96 and 378,576 is: 567,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,528 : 2,340,792.96 = 378,576 : x
  2. Step 2: Convert to fraction form
    1,560,528/2,340,792.96 = 378,576/x
  3. Step 3: Cross multiply
    1,560,528x = 2,340,792.96 × 378,576
  4. Step 4: Simplify right side
    1,560,528x = 886,168,035,624.96
  5. Step 5: Solve for x
    x = 886,168,035,624.96/1,560,528
  6. Step 6: Final answer
    x = 567,864.23

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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.