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Finding the Fourth Proportional to 955.04, 1,317.58 and 562.04

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Solution

The fourth proportional to 955.04, 1,317.58 and 562.04 is: 775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.04 : 1,317.58 = 562.04 : x
  2. Step 2: Convert to fraction form
    955.04/1,317.58 = 562.04/x
  3. Step 3: Cross multiply
    955.04x = 1,317.58 × 562.04
  4. Step 4: Simplify right side
    955.04x = 740,532.66
  5. Step 5: Solve for x
    x = 740,532.66/955.04
  6. Step 6: Final answer
    x = 775.39

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1.5x scale

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.