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Finding the Fourth Proportional to 519,576.54, 717,001.11 and 293,243.10

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Solution

The fourth proportional to 519,576.54, 717,001.11 and 293,243.10 is: 404,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,576.54 : 717,001.11 = 293,243.10 : x
  2. Step 2: Convert to fraction form
    519,576.54/717,001.11 = 293,243.10/x
  3. Step 3: Cross multiply
    519,576.54x = 717,001.11 × 293,243.10
  4. Step 4: Simplify right side
    519,576.54x = 210,255,628,199.84
  5. Step 5: Solve for x
    x = 210,255,628,199.84/519,576.54
  6. Step 6: Final answer
    x = 404,667.29

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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.