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Finding the Fourth Proportional to 310,345.68, 465,749.54 and 230,569.39

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Solution

The fourth proportional to 310,345.68, 465,749.54 and 230,569.39 is: 346,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,345.68 : 465,749.54 = 230,569.39 : x
  2. Step 2: Convert to fraction form
    310,345.68/465,749.54 = 230,569.39/x
  3. Step 3: Cross multiply
    310,345.68x = 465,749.54 × 230,569.39
  4. Step 4: Simplify right side
    310,345.68x = 107,387,586,301.67
  5. Step 5: Solve for x
    x = 107,387,586,301.67/310,345.68
  6. Step 6: Final answer
    x = 346,025.72

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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.