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Finding the Fourth Proportional to 1,473.60, 2,208.78 and 607.44

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Solution

The fourth proportional to 1,473.60, 2,208.78 and 607.44 is: 910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.60 : 2,208.78 = 607.44 : x
  2. Step 2: Convert to fraction form
    1,473.60/2,208.78 = 607.44/x
  3. Step 3: Cross multiply
    1,473.60x = 2,208.78 × 607.44
  4. Step 4: Simplify right side
    1,473.60x = 1,341,701.32
  5. Step 5: Solve for x
    x = 1,341,701.32/1,473.60
  6. Step 6: Final answer
    x = 910.49

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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.