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Finding the Fourth Proportional to 425,533.58, 587,240.43 and 234,554.30

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Solution

The fourth proportional to 425,533.58, 587,240.43 and 234,554.30 is: 323,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,533.58 : 587,240.43 = 234,554.30 : x
  2. Step 2: Convert to fraction form
    425,533.58/587,240.43 = 234,554.30/x
  3. Step 3: Cross multiply
    425,533.58x = 587,240.43 × 234,554.30
  4. Step 4: Simplify right side
    425,533.58x = 137,739,767,990.35
  5. Step 5: Solve for x
    x = 137,739,767,990.35/425,533.58
  6. Step 6: Final answer
    x = 323,687.19

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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.