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Finding the Fourth Proportional to 447,348.50, 617,137.51 and 265,957.51

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Solution

The fourth proportional to 447,348.50, 617,137.51 and 265,957.51 is: 366,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,348.50 : 617,137.51 = 265,957.51 : x
  2. Step 2: Convert to fraction form
    447,348.50/617,137.51 = 265,957.51/x
  3. Step 3: Cross multiply
    447,348.50x = 617,137.51 × 265,957.51
  4. Step 4: Simplify right side
    447,348.50x = 164,132,352,401.51
  5. Step 5: Solve for x
    x = 164,132,352,401.51/447,348.50
  6. Step 6: Final answer
    x = 366,900.42

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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.