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Finding the Fourth Proportional to 257,844.80, 355,752.80 and 167,204.40

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Solution

The fourth proportional to 257,844.80, 355,752.80 and 167,204.40 is: 230,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,844.80 : 355,752.80 = 167,204.40 : x
  2. Step 2: Convert to fraction form
    257,844.80/355,752.80 = 167,204.40/x
  3. Step 3: Cross multiply
    257,844.80x = 355,752.80 × 167,204.40
  4. Step 4: Simplify right side
    257,844.80x = 59,483,433,472.32
  5. Step 5: Solve for x
    x = 59,483,433,472.32/257,844.80
  6. Step 6: Final answer
    x = 230,694.72

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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.