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Finding the Fourth Proportional to 1,041.88, 1,562.62 and 348.56

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Solution

The fourth proportional to 1,041.88, 1,562.62 and 348.56 is: 522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.88 : 1,562.62 = 348.56 : x
  2. Step 2: Convert to fraction form
    1,041.88/1,562.62 = 348.56/x
  3. Step 3: Cross multiply
    1,041.88x = 1,562.62 × 348.56
  4. Step 4: Simplify right side
    1,041.88x = 544,666.83
  5. Step 5: Solve for x
    x = 544,666.83/1,041.88
  6. Step 6: Final answer
    x = 522.77

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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.