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Finding the Fourth Proportional to 434,246.79, 650,407.78 and 333,666.63

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Solution

The fourth proportional to 434,246.79, 650,407.78 and 333,666.63 is: 499,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,246.79 : 650,407.78 = 333,666.63 : x
  2. Step 2: Convert to fraction form
    434,246.79/650,407.78 = 333,666.63/x
  3. Step 3: Cross multiply
    434,246.79x = 650,407.78 × 333,666.63
  4. Step 4: Simplify right side
    434,246.79x = 217,019,372,078.38
  5. Step 5: Solve for x
    x = 217,019,372,078.38/434,246.79
  6. Step 6: Final answer
    x = 499,760.45

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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.