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Finding the Fourth Proportional to 1,031.03, 1,547.07 and 483.26

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Solution

The fourth proportional to 1,031.03, 1,547.07 and 483.26 is: 725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.03 : 1,547.07 = 483.26 : x
  2. Step 2: Convert to fraction form
    1,031.03/1,547.07 = 483.26/x
  3. Step 3: Cross multiply
    1,031.03x = 1,547.07 × 483.26
  4. Step 4: Simplify right side
    1,031.03x = 747,640.92
  5. Step 5: Solve for x
    x = 747,640.92/1,031.03
  6. Step 6: Final answer
    x = 725.14

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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.