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Finding the Fourth Proportional to 662,185.92, 913,820.64 and 360,383.04

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Solution

The fourth proportional to 662,185.92, 913,820.64 and 360,383.04 is: 497,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,185.92 : 913,820.64 = 360,383.04 : x
  2. Step 2: Convert to fraction form
    662,185.92/913,820.64 = 360,383.04/x
  3. Step 3: Cross multiply
    662,185.92x = 913,820.64 × 360,383.04
  4. Step 4: Simplify right side
    662,185.92x = 329,325,460,257.95
  5. Step 5: Solve for x
    x = 329,325,460,257.95/662,185.92
  6. Step 6: Final answer
    x = 497,330.81

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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.