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Finding the Fourth Proportional to 636,807.60, 953,929.17 and 294,768.90

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Solution

The fourth proportional to 636,807.60, 953,929.17 and 294,768.90 is: 441,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,807.60 : 953,929.17 = 294,768.90 : x
  2. Step 2: Convert to fraction form
    636,807.60/953,929.17 = 294,768.90/x
  3. Step 3: Cross multiply
    636,807.60x = 953,929.17 × 294,768.90
  4. Step 4: Simplify right side
    636,807.60x = 281,188,652,118.81
  5. Step 5: Solve for x
    x = 281,188,652,118.81/636,807.60
  6. Step 6: Final answer
    x = 441,559.82

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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.