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Finding the Fourth Proportional to 228,535.40, 342,803.10 and 169,486.40

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Solution

The fourth proportional to 228,535.40, 342,803.10 and 169,486.40 is: 254,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,535.40 : 342,803.10 = 169,486.40 : x
  2. Step 2: Convert to fraction form
    228,535.40/342,803.10 = 169,486.40/x
  3. Step 3: Cross multiply
    228,535.40x = 342,803.10 × 169,486.40
  4. Step 4: Simplify right side
    228,535.40x = 58,100,463,327.84
  5. Step 5: Solve for x
    x = 58,100,463,327.84/228,535.40
  6. Step 6: Final answer
    x = 254,229.60

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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.