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Finding the Fourth Proportional to 219,554.57, 329,332.65 and 53,342.57

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Solution

The fourth proportional to 219,554.57, 329,332.65 and 53,342.57 is: 80,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,554.57 : 329,332.65 = 53,342.57 : x
  2. Step 2: Convert to fraction form
    219,554.57/329,332.65 = 53,342.57/x
  3. Step 3: Cross multiply
    219,554.57x = 329,332.65 × 53,342.57
  4. Step 4: Simplify right side
    219,554.57x = 17,567,449,935.91
  5. Step 5: Solve for x
    x = 17,567,449,935.91/219,554.57
  6. Step 6: Final answer
    x = 80,014.05

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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.