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Finding the Fourth Proportional to 615.02, 926.11 and 453.83

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Solution

The fourth proportional to 615.02, 926.11 and 453.83 is: 683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.02 : 926.11 = 453.83 : x
  2. Step 2: Convert to fraction form
    615.02/926.11 = 453.83/x
  3. Step 3: Cross multiply
    615.02x = 926.11 × 453.83
  4. Step 4: Simplify right side
    615.02x = 420,296.50
  5. Step 5: Solve for x
    x = 420,296.50/615.02
  6. Step 6: Final answer
    x = 683.39

Related Problems

Find fourth proportional to 307.51, 463.06 and 226.92
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.