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Finding the Fourth Proportional to 1,301.01, 1,951.53 and 435.30

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Solution

The fourth proportional to 1,301.01, 1,951.53 and 435.30 is: 652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.01 : 1,951.53 = 435.30 : x
  2. Step 2: Convert to fraction form
    1,301.01/1,951.53 = 435.30/x
  3. Step 3: Cross multiply
    1,301.01x = 1,951.53 × 435.30
  4. Step 4: Simplify right side
    1,301.01x = 849,501.01
  5. Step 5: Solve for x
    x = 849,501.01/1,301.01
  6. Step 6: Final answer
    x = 652.96

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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.