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Finding the Fourth Proportional to 343,280.70, 514,921.05 and 202,967.10

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Solution

The fourth proportional to 343,280.70, 514,921.05 and 202,967.10 is: 304,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,280.70 : 514,921.05 = 202,967.10 : x
  2. Step 2: Convert to fraction form
    343,280.70/514,921.05 = 202,967.10/x
  3. Step 3: Cross multiply
    343,280.70x = 514,921.05 × 202,967.10
  4. Step 4: Simplify right side
    343,280.70x = 104,512,032,247.46
  5. Step 5: Solve for x
    x = 104,512,032,247.46/343,280.70
  6. Step 6: Final answer
    x = 304,450.65

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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.