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Finding the Fourth Proportional to 954.52, 1,316.80 and 576.57

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Solution

The fourth proportional to 954.52, 1,316.80 and 576.57 is: 795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.52 : 1,316.80 = 576.57 : x
  2. Step 2: Convert to fraction form
    954.52/1,316.80 = 576.57/x
  3. Step 3: Cross multiply
    954.52x = 1,316.80 × 576.57
  4. Step 4: Simplify right side
    954.52x = 759,227.38
  5. Step 5: Solve for x
    x = 759,227.38/954.52
  6. Step 6: Final answer
    x = 795.40

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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.