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Finding the Fourth Proportional to 219,483.36, 329,201.40 and 148,859.36

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Solution

The fourth proportional to 219,483.36, 329,201.40 and 148,859.36 is: 223,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,483.36 : 329,201.40 = 148,859.36 : x
  2. Step 2: Convert to fraction form
    219,483.36/329,201.40 = 148,859.36/x
  3. Step 3: Cross multiply
    219,483.36x = 329,201.40 × 148,859.36
  4. Step 4: Simplify right side
    219,483.36x = 49,004,709,715.10
  5. Step 5: Solve for x
    x = 49,004,709,715.10/219,483.36
  6. Step 6: Final answer
    x = 223,273.01

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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.