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Finding the Fourth Proportional to 1,104.77, 1,524.65 and 607.46

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Solution

The fourth proportional to 1,104.77, 1,524.65 and 607.46 is: 838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.77 : 1,524.65 = 607.46 : x
  2. Step 2: Convert to fraction form
    1,104.77/1,524.65 = 607.46/x
  3. Step 3: Cross multiply
    1,104.77x = 1,524.65 × 607.46
  4. Step 4: Simplify right side
    1,104.77x = 926,153.23
  5. Step 5: Solve for x
    x = 926,153.23/1,104.77
  6. Step 6: Final answer
    x = 838.33

Related Problems

Find fourth proportional to 552.38, 762.32 and 303.73
Half scale
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Double scale
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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.