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Finding the Fourth Proportional to 1,027.35, 1,541.03 and 296.93

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Solution

The fourth proportional to 1,027.35, 1,541.03 and 296.93 is: 445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.35 : 1,541.03 = 296.93 : x
  2. Step 2: Convert to fraction form
    1,027.35/1,541.03 = 296.93/x
  3. Step 3: Cross multiply
    1,027.35x = 1,541.03 × 296.93
  4. Step 4: Simplify right side
    1,027.35x = 457,580.41
  5. Step 5: Solve for x
    x = 457,580.41/1,027.35
  6. Step 6: Final answer
    x = 445.40

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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.