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Finding the Fourth Proportional to 954.35, 1,316.94 and 534.69

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Solution

The fourth proportional to 954.35, 1,316.94 and 534.69 is: 737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.35 : 1,316.94 = 534.69 : x
  2. Step 2: Convert to fraction form
    954.35/1,316.94 = 534.69/x
  3. Step 3: Cross multiply
    954.35x = 1,316.94 × 534.69
  4. Step 4: Simplify right side
    954.35x = 704,154.65
  5. Step 5: Solve for x
    x = 704,154.65/954.35
  6. Step 6: Final answer
    x = 737.84

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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.