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Finding the Fourth Proportional to 288,245.67, 432,414.59 and 122,058.15

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Solution

The fourth proportional to 288,245.67, 432,414.59 and 122,058.15 is: 183,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,245.67 : 432,414.59 = 122,058.15 : x
  2. Step 2: Convert to fraction form
    288,245.67/432,414.59 = 122,058.15/x
  3. Step 3: Cross multiply
    288,245.67x = 432,414.59 × 122,058.15
  4. Step 4: Simplify right side
    288,245.67x = 52,779,724,278.12
  5. Step 5: Solve for x
    x = 52,779,724,278.12/288,245.67
  6. Step 6: Final answer
    x = 183,106.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.