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Finding the Fourth Proportional to 954.02, 1,316.49 and 534.36

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Solution

The fourth proportional to 954.02, 1,316.49 and 534.36 is: 737.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.02 : 1,316.49 = 534.36 : x
  2. Step 2: Convert to fraction form
    954.02/1,316.49 = 534.36/x
  3. Step 3: Cross multiply
    954.02x = 1,316.49 × 534.36
  4. Step 4: Simplify right side
    954.02x = 703,479.60
  5. Step 5: Solve for x
    x = 703,479.60/954.02
  6. Step 6: Final answer
    x = 737.38

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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.