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Finding the Fourth Proportional to 492,260.68, 738,391.02 and 155,302.30

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Solution

The fourth proportional to 492,260.68, 738,391.02 and 155,302.30 is: 232,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,260.68 : 738,391.02 = 155,302.30 : x
  2. Step 2: Convert to fraction form
    492,260.68/738,391.02 = 155,302.30/x
  3. Step 3: Cross multiply
    492,260.68x = 738,391.02 × 155,302.30
  4. Step 4: Simplify right side
    492,260.68x = 114,673,823,705.35
  5. Step 5: Solve for x
    x = 114,673,823,705.35/492,260.68
  6. Step 6: Final answer
    x = 232,953.45

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Similar ratio
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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.