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Finding the Fourth Proportional to 636,416.21, 955,039.83 and 237,376.19

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Solution

The fourth proportional to 636,416.21, 955,039.83 and 237,376.19 is: 356,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,416.21 : 955,039.83 = 237,376.19 : x
  2. Step 2: Convert to fraction form
    636,416.21/955,039.83 = 237,376.19/x
  3. Step 3: Cross multiply
    636,416.21x = 955,039.83 × 237,376.19
  4. Step 4: Simplify right side
    636,416.21x = 226,703,711,368.45
  5. Step 5: Solve for x
    x = 226,703,711,368.45/636,416.21
  6. Step 6: Final answer
    x = 356,219.26

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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.