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Finding the Fourth Proportional to 500,673.51, 690,925.01 and 271,225.62

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Solution

The fourth proportional to 500,673.51, 690,925.01 and 271,225.62 is: 374,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,673.51 : 690,925.01 = 271,225.62 : x
  2. Step 2: Convert to fraction form
    500,673.51/690,925.01 = 271,225.62/x
  3. Step 3: Cross multiply
    500,673.51x = 690,925.01 × 271,225.62
  4. Step 4: Simplify right side
    500,673.51x = 187,396,562,854.63
  5. Step 5: Solve for x
    x = 187,396,562,854.63/500,673.51
  6. Step 6: Final answer
    x = 374,288.95

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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.