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Finding the Fourth Proportional to 517,783.12, 776,763.24 and 237,324.40

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Solution

The fourth proportional to 517,783.12, 776,763.24 and 237,324.40 is: 356,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,783.12 : 776,763.24 = 237,324.40 : x
  2. Step 2: Convert to fraction form
    517,783.12/776,763.24 = 237,324.40/x
  3. Step 3: Cross multiply
    517,783.12x = 776,763.24 × 237,324.40
  4. Step 4: Simplify right side
    517,783.12x = 184,344,869,875.06
  5. Step 5: Solve for x
    x = 184,344,869,875.06/517,783.12
  6. Step 6: Final answer
    x = 356,027.19

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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.