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Finding the Fourth Proportional to 425,485.32, 587,166.72 and 234,498.92

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Solution

The fourth proportional to 425,485.32, 587,166.72 and 234,498.92 is: 323,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,485.32 : 587,166.72 = 234,498.92 : x
  2. Step 2: Convert to fraction form
    425,485.32/587,166.72 = 234,498.92/x
  3. Step 3: Cross multiply
    425,485.32x = 587,166.72 × 234,498.92
  4. Step 4: Simplify right side
    425,485.32x = 137,689,961,699.94
  5. Step 5: Solve for x
    x = 137,689,961,699.94/425,485.32
  6. Step 6: Final answer
    x = 323,606.84

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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.