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Finding the Fourth Proportional to 636,687.50, 955,065.26 and 163,376.96

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Solution

The fourth proportional to 636,687.50, 955,065.26 and 163,376.96 is: 245,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,687.50 : 955,065.26 = 163,376.96 : x
  2. Step 2: Convert to fraction form
    636,687.50/955,065.26 = 163,376.96/x
  3. Step 3: Cross multiply
    636,687.50x = 955,065.26 × 163,376.96
  4. Step 4: Simplify right side
    636,687.50x = 156,035,654,413.53
  5. Step 5: Solve for x
    x = 156,035,654,413.53/636,687.50
  6. Step 6: Final answer
    x = 245,074.16

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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.