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Finding the Fourth Proportional to 425,420.51, 587,052.54 and 234,433.85

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Solution

The fourth proportional to 425,420.51, 587,052.54 and 234,433.85 is: 323,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,420.51 : 587,052.54 = 234,433.85 : x
  2. Step 2: Convert to fraction form
    425,420.51/587,052.54 = 234,433.85/x
  3. Step 3: Cross multiply
    425,420.51x = 587,052.54 × 234,433.85
  4. Step 4: Simplify right side
    425,420.51x = 137,624,984,169.22
  5. Step 5: Solve for x
    x = 137,624,984,169.22/425,420.51
  6. Step 6: Final answer
    x = 323,503.41

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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.