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Finding the Fourth Proportional to 954.58, 1,317.16 and 534.92

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Solution

The fourth proportional to 954.58, 1,317.16 and 534.92 is: 738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.58 : 1,317.16 = 534.92 : x
  2. Step 2: Convert to fraction form
    954.58/1,317.16 = 534.92/x
  3. Step 3: Cross multiply
    954.58x = 1,317.16 × 534.92
  4. Step 4: Simplify right side
    954.58x = 704,575.23
  5. Step 5: Solve for x
    x = 704,575.23/954.58
  6. Step 6: Final answer
    x = 738.10

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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.