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Finding the Fourth Proportional to 1,064.68, 1,468.91 and 598.84

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Solution

The fourth proportional to 1,064.68, 1,468.91 and 598.84 is: 826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.68 : 1,468.91 = 598.84 : x
  2. Step 2: Convert to fraction form
    1,064.68/1,468.91 = 598.84/x
  3. Step 3: Cross multiply
    1,064.68x = 1,468.91 × 598.84
  4. Step 4: Simplify right side
    1,064.68x = 879,642.06
  5. Step 5: Solve for x
    x = 879,642.06/1,064.68
  6. Step 6: Final answer
    x = 826.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.