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Finding the Fourth Proportional to 514,360.08, 709,819.02 and 284,912.40

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Solution

The fourth proportional to 514,360.08, 709,819.02 and 284,912.40 is: 393,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,360.08 : 709,819.02 = 284,912.40 : x
  2. Step 2: Convert to fraction form
    514,360.08/709,819.02 = 284,912.40/x
  3. Step 3: Cross multiply
    514,360.08x = 709,819.02 × 284,912.40
  4. Step 4: Simplify right side
    514,360.08x = 202,236,240,553.85
  5. Step 5: Solve for x
    x = 202,236,240,553.85/514,360.08
  6. Step 6: Final answer
    x = 393,180.28

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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.