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Finding the Fourth Proportional to 425,588.88, 587,312.52 and 234,605.46

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Solution

The fourth proportional to 425,588.88, 587,312.52 and 234,605.46 is: 323,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,588.88 : 587,312.52 = 234,605.46 : x
  2. Step 2: Convert to fraction form
    425,588.88/587,312.52 = 234,605.46/x
  3. Step 3: Cross multiply
    425,588.88x = 587,312.52 × 234,605.46
  4. Step 4: Simplify right side
    425,588.88x = 137,786,723,918.36
  5. Step 5: Solve for x
    x = 137,786,723,918.36/425,588.88
  6. Step 6: Final answer
    x = 323,755.46

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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.