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Finding the Fourth Proportional to 459,450.72, 634,098.96 and 258,246.72

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Solution

The fourth proportional to 459,450.72, 634,098.96 and 258,246.72 is: 356,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,450.72 : 634,098.96 = 258,246.72 : x
  2. Step 2: Convert to fraction form
    459,450.72/634,098.96 = 258,246.72/x
  3. Step 3: Cross multiply
    459,450.72x = 634,098.96 × 258,246.72
  4. Step 4: Simplify right side
    459,450.72x = 163,753,976,575.41
  5. Step 5: Solve for x
    x = 163,753,976,575.41/459,450.72
  6. Step 6: Final answer
    x = 356,412.49

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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.