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Finding the Fourth Proportional to 636,815.04, 954,892.80 and 187,477.44

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Solution

The fourth proportional to 636,815.04, 954,892.80 and 187,477.44 is: 281,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,815.04 : 954,892.80 = 187,477.44 : x
  2. Step 2: Convert to fraction form
    636,815.04/954,892.80 = 187,477.44/x
  3. Step 3: Cross multiply
    636,815.04x = 954,892.80 × 187,477.44
  4. Step 4: Simplify right side
    636,815.04x = 179,020,857,618.43
  5. Step 5: Solve for x
    x = 179,020,857,618.43/636,815.04
  6. Step 6: Final answer
    x = 281,119.08

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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.