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Finding the Fourth Proportional to 272,048.90, 408,073.35 and 202,064.90

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Solution

The fourth proportional to 272,048.90, 408,073.35 and 202,064.90 is: 303,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,048.90 : 408,073.35 = 202,064.90 : x
  2. Step 2: Convert to fraction form
    272,048.90/408,073.35 = 202,064.90/x
  3. Step 3: Cross multiply
    272,048.90x = 408,073.35 × 202,064.90
  4. Step 4: Simplify right side
    272,048.90x = 82,457,300,660.42
  5. Step 5: Solve for x
    x = 82,457,300,660.42/272,048.90
  6. Step 6: Final answer
    x = 303,097.35

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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.