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Finding the Fourth Proportional to 1,031.77, 1,547.91 and 301.35

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Solution

The fourth proportional to 1,031.77, 1,547.91 and 301.35 is: 452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.77 : 1,547.91 = 301.35 : x
  2. Step 2: Convert to fraction form
    1,031.77/1,547.91 = 301.35/x
  3. Step 3: Cross multiply
    1,031.77x = 1,547.91 × 301.35
  4. Step 4: Simplify right side
    1,031.77x = 466,462.68
  5. Step 5: Solve for x
    x = 466,462.68/1,031.77
  6. Step 6: Final answer
    x = 452.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.