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Finding the Fourth Proportional to 465,277.05, 694,763.79 and 369,431.77

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Solution

The fourth proportional to 465,277.05, 694,763.79 and 369,431.77 is: 551,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,277.05 : 694,763.79 = 369,431.77 : x
  2. Step 2: Convert to fraction form
    465,277.05/694,763.79 = 369,431.77/x
  3. Step 3: Cross multiply
    465,277.05x = 694,763.79 × 369,431.77
  4. Step 4: Simplify right side
    465,277.05x = 256,667,816,671.61
  5. Step 5: Solve for x
    x = 256,667,816,671.61/465,277.05
  6. Step 6: Final answer
    x = 551,645.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.