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Finding the Fourth Proportional to 516,707.93, 773,940.20 and 249,908.97

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Solution

The fourth proportional to 516,707.93, 773,940.20 and 249,908.97 is: 374,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,707.93 : 773,940.20 = 249,908.97 : x
  2. Step 2: Convert to fraction form
    516,707.93/773,940.20 = 249,908.97/x
  3. Step 3: Cross multiply
    516,707.93x = 773,940.20 × 249,908.97
  4. Step 4: Simplify right side
    516,707.93x = 193,414,594,353.89
  5. Step 5: Solve for x
    x = 193,414,594,353.89/516,707.93
  6. Step 6: Final answer
    x = 374,320.93

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1.5x scale

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.