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Finding the Fourth Proportional to 369,450.96, 554,181.87 and 243,895.28

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Solution

The fourth proportional to 369,450.96, 554,181.87 and 243,895.28 is: 365,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,450.96 : 554,181.87 = 243,895.28 : x
  2. Step 2: Convert to fraction form
    369,450.96/554,181.87 = 243,895.28/x
  3. Step 3: Cross multiply
    369,450.96x = 554,181.87 × 243,895.28
  4. Step 4: Simplify right side
    369,450.96x = 135,162,342,354.57
  5. Step 5: Solve for x
    x = 135,162,342,354.57/369,450.96
  6. Step 6: Final answer
    x = 365,846.50

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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.