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Finding the Fourth Proportional to 219,935.70, 329,903.55 and 175,320.90

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Solution

The fourth proportional to 219,935.70, 329,903.55 and 175,320.90 is: 262,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,935.70 : 329,903.55 = 175,320.90 : x
  2. Step 2: Convert to fraction form
    219,935.70/329,903.55 = 175,320.90/x
  3. Step 3: Cross multiply
    219,935.70x = 329,903.55 × 175,320.90
  4. Step 4: Simplify right side
    219,935.70x = 57,838,987,299.20
  5. Step 5: Solve for x
    x = 57,838,987,299.20/219,935.70
  6. Step 6: Final answer
    x = 262,981.35

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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.