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Finding the Fourth Proportional to 620,906.13, 930,580.08 and 265,502.23

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Solution

The fourth proportional to 620,906.13, 930,580.08 and 265,502.23 is: 397,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,906.13 : 930,580.08 = 265,502.23 : x
  2. Step 2: Convert to fraction form
    620,906.13/930,580.08 = 265,502.23/x
  3. Step 3: Cross multiply
    620,906.13x = 930,580.08 × 265,502.23
  4. Step 4: Simplify right side
    620,906.13x = 247,071,086,433.58
  5. Step 5: Solve for x
    x = 247,071,086,433.58/620,906.13
  6. Step 6: Final answer
    x = 397,920.19

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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.