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Finding the Fourth Proportional to 1,547.97, 2,322.08 and 507.95

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Solution

The fourth proportional to 1,547.97, 2,322.08 and 507.95 is: 761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.97 : 2,322.08 = 507.95 : x
  2. Step 2: Convert to fraction form
    1,547.97/2,322.08 = 507.95/x
  3. Step 3: Cross multiply
    1,547.97x = 2,322.08 × 507.95
  4. Step 4: Simplify right side
    1,547.97x = 1,179,500.54
  5. Step 5: Solve for x
    x = 1,179,500.54/1,547.97
  6. Step 6: Final answer
    x = 761.97

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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.