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Finding the Fourth Proportional to 424,998.49, 586,501.81 and 234,018.71

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Solution

The fourth proportional to 424,998.49, 586,501.81 and 234,018.71 is: 322,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,998.49 : 586,501.81 = 234,018.71 : x
  2. Step 2: Convert to fraction form
    424,998.49/586,501.81 = 234,018.71/x
  3. Step 3: Cross multiply
    424,998.49x = 586,501.81 × 234,018.71
  4. Step 4: Simplify right side
    424,998.49x = 137,252,396,403.82
  5. Step 5: Solve for x
    x = 137,252,396,403.82/424,998.49
  6. Step 6: Final answer
    x = 322,947.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.