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Finding the Fourth Proportional to 516,433.48, 773,949.66 and 249,662.68

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Solution

The fourth proportional to 516,433.48, 773,949.66 and 249,662.68 is: 374,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,433.48 : 773,949.66 = 249,662.68 : x
  2. Step 2: Convert to fraction form
    516,433.48/773,949.66 = 249,662.68/x
  3. Step 3: Cross multiply
    516,433.48x = 773,949.66 × 249,662.68
  4. Step 4: Simplify right side
    516,433.48x = 193,226,346,300.69
  5. Step 5: Solve for x
    x = 193,226,346,300.69/516,433.48
  6. Step 6: Final answer
    x = 374,155.34

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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.