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Finding the Fourth Proportional to 750.41, 1,126.34 and 365.93

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Solution

The fourth proportional to 750.41, 1,126.34 and 365.93 is: 549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.41 : 1,126.34 = 365.93 : x
  2. Step 2: Convert to fraction form
    750.41/1,126.34 = 365.93/x
  3. Step 3: Cross multiply
    750.41x = 1,126.34 × 365.93
  4. Step 4: Simplify right side
    750.41x = 412,159.77
  5. Step 5: Solve for x
    x = 412,159.77/750.41
  6. Step 6: Final answer
    x = 549.25

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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.