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Finding the Fourth Proportional to 901.51, 1,349.83 and 467.76

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Solution

The fourth proportional to 901.51, 1,349.83 and 467.76 is: 700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    901.51 : 1,349.83 = 467.76 : x
  2. Step 2: Convert to fraction form
    901.51/1,349.83 = 467.76/x
  3. Step 3: Cross multiply
    901.51x = 1,349.83 × 467.76
  4. Step 4: Simplify right side
    901.51x = 631,389.73
  5. Step 5: Solve for x
    x = 631,389.73/901.51
  6. Step 6: Final answer
    x = 700.37

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1.5x scale

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.