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Finding the Fourth Proportional to 1,011.04, 1,395.24 and 568.92

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Solution

The fourth proportional to 1,011.04, 1,395.24 and 568.92 is: 785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011.04 : 1,395.24 = 568.92 : x
  2. Step 2: Convert to fraction form
    1,011.04/1,395.24 = 568.92/x
  3. Step 3: Cross multiply
    1,011.04x = 1,395.24 × 568.92
  4. Step 4: Simplify right side
    1,011.04x = 793,779.94
  5. Step 5: Solve for x
    x = 793,779.94/1,011.04
  6. Step 6: Final answer
    x = 785.11

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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.