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Finding the Fourth Proportional to 969.04, 1,337.26 and 526.93

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Solution

The fourth proportional to 969.04, 1,337.26 and 526.93 is: 727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.04 : 1,337.26 = 526.93 : x
  2. Step 2: Convert to fraction form
    969.04/1,337.26 = 526.93/x
  3. Step 3: Cross multiply
    969.04x = 1,337.26 × 526.93
  4. Step 4: Simplify right side
    969.04x = 704,642.50
  5. Step 5: Solve for x
    x = 704,642.50/969.04
  6. Step 6: Final answer
    x = 727.16

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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.