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Finding the Fourth Proportional to 425,427.36, 587,086.94 and 234,440.91

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Solution

The fourth proportional to 425,427.36, 587,086.94 and 234,440.91 is: 323,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,427.36 : 587,086.94 = 234,440.91 : x
  2. Step 2: Convert to fraction form
    425,427.36/587,086.94 = 234,440.91/x
  3. Step 3: Cross multiply
    425,427.36x = 587,086.94 × 234,440.91
  4. Step 4: Simplify right side
    425,427.36x = 137,637,195,290.51
  5. Step 5: Solve for x
    x = 137,637,195,290.51/425,427.36
  6. Step 6: Final answer
    x = 323,526.90

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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.