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Finding the Fourth Proportional to 425,529.74, 587,232.23 and 234,543.89

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Solution

The fourth proportional to 425,529.74, 587,232.23 and 234,543.89 is: 323,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,529.74 : 587,232.23 = 234,543.89 : x
  2. Step 2: Convert to fraction form
    425,529.74/587,232.23 = 234,543.89/x
  3. Step 3: Cross multiply
    425,529.74x = 587,232.23 × 234,543.89
  4. Step 4: Simplify right side
    425,529.74x = 137,731,727,448.69
  5. Step 5: Solve for x
    x = 137,731,727,448.69/425,529.74
  6. Step 6: Final answer
    x = 323,671.22

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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.