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Finding the Fourth Proportional to 444,580.65, 665,439.03 and 292,902.98

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Solution

The fourth proportional to 444,580.65, 665,439.03 and 292,902.98 is: 438,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,580.65 : 665,439.03 = 292,902.98 : x
  2. Step 2: Convert to fraction form
    444,580.65/665,439.03 = 292,902.98/x
  3. Step 3: Cross multiply
    444,580.65x = 665,439.03 × 292,902.98
  4. Step 4: Simplify right side
    444,580.65x = 194,909,071,568.11
  5. Step 5: Solve for x
    x = 194,909,071,568.11/444,580.65
  6. Step 6: Final answer
    x = 438,411.05

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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.