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Finding the Fourth Proportional to 412,810.75, 569,684.95 and 240,723.93

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Solution

The fourth proportional to 412,810.75, 569,684.95 and 240,723.93 is: 332,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,810.75 : 569,684.95 = 240,723.93 : x
  2. Step 2: Convert to fraction form
    412,810.75/569,684.95 = 240,723.93/x
  3. Step 3: Cross multiply
    412,810.75x = 569,684.95 × 240,723.93
  4. Step 4: Simplify right side
    412,810.75x = 137,136,796,753.65
  5. Step 5: Solve for x
    x = 137,136,796,753.65/412,810.75
  6. Step 6: Final answer
    x = 332,202.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.