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Finding the Fourth Proportional to 425,392.65, 587,054.40 and 234,418.35

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Solution

The fourth proportional to 425,392.65, 587,054.40 and 234,418.35 is: 323,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,392.65 : 587,054.40 = 234,418.35 : x
  2. Step 2: Convert to fraction form
    425,392.65/587,054.40 = 234,418.35/x
  3. Step 3: Cross multiply
    425,392.65x = 587,054.40 × 234,418.35
  4. Step 4: Simplify right side
    425,392.65x = 137,616,323,808.24
  5. Step 5: Solve for x
    x = 137,616,323,808.24/425,392.65
  6. Step 6: Final answer
    x = 323,504.23

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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.