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Finding the Fourth Proportional to 1,566.48, 2,349.74 and 526.49

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Solution

The fourth proportional to 1,566.48, 2,349.74 and 526.49 is: 789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.48 : 2,349.74 = 526.49 : x
  2. Step 2: Convert to fraction form
    1,566.48/2,349.74 = 526.49/x
  3. Step 3: Cross multiply
    1,566.48x = 2,349.74 × 526.49
  4. Step 4: Simplify right side
    1,566.48x = 1,237,114.61
  5. Step 5: Solve for x
    x = 1,237,114.61/1,566.48
  6. Step 6: Final answer
    x = 789.74

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.