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Finding the Fourth Proportional to 610,369.26, 842,309.99 and 338,440.51

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Solution

The fourth proportional to 610,369.26, 842,309.99 and 338,440.51 is: 467,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,369.26 : 842,309.99 = 338,440.51 : x
  2. Step 2: Convert to fraction form
    610,369.26/842,309.99 = 338,440.51/x
  3. Step 3: Cross multiply
    610,369.26x = 842,309.99 × 338,440.51
  4. Step 4: Simplify right side
    610,369.26x = 285,071,822,593.70
  5. Step 5: Solve for x
    x = 285,071,822,593.70/610,369.26
  6. Step 6: Final answer
    x = 467,048.13

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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.