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Finding the Fourth Proportional to 853.58, 1,277.66 and 592.25

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Solution

The fourth proportional to 853.58, 1,277.66 and 592.25 is: 886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    853.58 : 1,277.66 = 592.25 : x
  2. Step 2: Convert to fraction form
    853.58/1,277.66 = 592.25/x
  3. Step 3: Cross multiply
    853.58x = 1,277.66 × 592.25
  4. Step 4: Simplify right side
    853.58x = 756,689.23
  5. Step 5: Solve for x
    x = 756,689.23/853.58
  6. Step 6: Final answer
    x = 886.49

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.