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Finding the Fourth Proportional to 1,507.90, 2,262 and 534.01

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Solution

The fourth proportional to 1,507.90, 2,262 and 534.01 is: 801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.90 : 2,262 = 534.01 : x
  2. Step 2: Convert to fraction form
    1,507.90/2,262 = 534.01/x
  3. Step 3: Cross multiply
    1,507.90x = 2,262 × 534.01
  4. Step 4: Simplify right side
    1,507.90x = 1,207,930.62
  5. Step 5: Solve for x
    x = 1,207,930.62/1,507.90
  6. Step 6: Final answer
    x = 801.07

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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.