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Finding the Fourth Proportional to 519,875.96, 717,347.95 and 293,516.60

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Solution

The fourth proportional to 519,875.96, 717,347.95 and 293,516.60 is: 405,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,875.96 : 717,347.95 = 293,516.60 : x
  2. Step 2: Convert to fraction form
    519,875.96/717,347.95 = 293,516.60/x
  3. Step 3: Cross multiply
    519,875.96x = 717,347.95 × 293,516.60
  4. Step 4: Simplify right side
    519,875.96x = 210,553,526,980.44
  5. Step 5: Solve for x
    x = 210,553,526,980.44/519,875.96
  6. Step 6: Final answer
    x = 405,007.24

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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.