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Finding the Fourth Proportional to 492,053.40, 738,371.70 and 324,055.35

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Solution

The fourth proportional to 492,053.40, 738,371.70 and 324,055.35 is: 486,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,053.40 : 738,371.70 = 324,055.35 : x
  2. Step 2: Convert to fraction form
    492,053.40/738,371.70 = 324,055.35/x
  3. Step 3: Cross multiply
    492,053.40x = 738,371.70 × 324,055.35
  4. Step 4: Simplify right side
    492,053.40x = 239,273,299,673.60
  5. Step 5: Solve for x
    x = 239,273,299,673.60/492,053.40
  6. Step 6: Final answer
    x = 486,275.07

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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.