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Finding the Fourth Proportional to 1,012.66, 1,397.14 and 592.90

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Solution

The fourth proportional to 1,012.66, 1,397.14 and 592.90 is: 818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012.66 : 1,397.14 = 592.90 : x
  2. Step 2: Convert to fraction form
    1,012.66/1,397.14 = 592.90/x
  3. Step 3: Cross multiply
    1,012.66x = 1,397.14 × 592.90
  4. Step 4: Simplify right side
    1,012.66x = 828,359.33
  5. Step 5: Solve for x
    x = 828,359.33/1,012.66
  6. Step 6: Final answer
    x = 818.01

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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.