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Finding the Fourth Proportional to 425,589.72, 587,302.02 and 234,603.06

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Solution

The fourth proportional to 425,589.72, 587,302.02 and 234,603.06 is: 323,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,589.72 : 587,302.02 = 234,603.06 : x
  2. Step 2: Convert to fraction form
    425,589.72/587,302.02 = 234,603.06/x
  3. Step 3: Cross multiply
    425,589.72x = 587,302.02 × 234,603.06
  4. Step 4: Simplify right side
    425,589.72x = 137,782,851,036.18
  5. Step 5: Solve for x
    x = 137,782,851,036.18/425,589.72
  6. Step 6: Final answer
    x = 323,745.72

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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.