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Finding the Fourth Proportional to 517,224.25, 774,827.62 and 291,903.11

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Solution

The fourth proportional to 517,224.25, 774,827.62 and 291,903.11 is: 437,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,224.25 : 774,827.62 = 291,903.11 : x
  2. Step 2: Convert to fraction form
    517,224.25/774,827.62 = 291,903.11/x
  3. Step 3: Cross multiply
    517,224.25x = 774,827.62 × 291,903.11
  4. Step 4: Simplify right side
    517,224.25x = 226,174,590,293.61
  5. Step 5: Solve for x
    x = 226,174,590,293.61/517,224.25
  6. Step 6: Final answer
    x = 437,285.35

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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.