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Finding the Fourth Proportional to 1.00, 1.51 and 0.34

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Solution

The fourth proportional to 1.00, 1.51 and 0.34 is: 0.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.00 : 1.51 = 0.34 : x
  2. Step 2: Convert to fraction form
    1.00/1.51 = 0.34/x
  3. Step 3: Cross multiply
    1.00x = 1.51 × 0.34
  4. Step 4: Simplify right side
    1.00x = 0.51
  5. Step 5: Solve for x
    x = 0.51/1.00
  6. Step 6: Final answer
    x = 0.50

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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.