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Finding the Fourth Proportional to 951, 1,427.10 and 373.86

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Solution

The fourth proportional to 951, 1,427.10 and 373.86 is: 561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    951 : 1,427.10 = 373.86 : x
  2. Step 2: Convert to fraction form
    951/1,427.10 = 373.86/x
  3. Step 3: Cross multiply
    951x = 1,427.10 × 373.86
  4. Step 4: Simplify right side
    951x = 533,535.61
  5. Step 5: Solve for x
    x = 533,535.61/951
  6. Step 6: Final answer
    x = 561.03

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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.