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Finding the Fourth Proportional to 476,624.85, 714,778.51 and 192,241.95

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Solution

The fourth proportional to 476,624.85, 714,778.51 and 192,241.95 is: 288,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,624.85 : 714,778.51 = 192,241.95 : x
  2. Step 2: Convert to fraction form
    476,624.85/714,778.51 = 192,241.95/x
  3. Step 3: Cross multiply
    476,624.85x = 714,778.51 × 192,241.95
  4. Step 4: Simplify right side
    476,624.85x = 137,410,411,779.92
  5. Step 5: Solve for x
    x = 137,410,411,779.92/476,624.85
  6. Step 6: Final answer
    x = 288,298.89

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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.