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Finding the Fourth Proportional to 1,061.76, 1,592.26 and 368.30

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Solution

The fourth proportional to 1,061.76, 1,592.26 and 368.30 is: 552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061.76 : 1,592.26 = 368.30 : x
  2. Step 2: Convert to fraction form
    1,061.76/1,592.26 = 368.30/x
  3. Step 3: Cross multiply
    1,061.76x = 1,592.26 × 368.30
  4. Step 4: Simplify right side
    1,061.76x = 586,423.46
  5. Step 5: Solve for x
    x = 586,423.46/1,061.76
  6. Step 6: Final answer
    x = 552.31

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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.