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Finding the Fourth Proportional to 219,663.43, 329,154.35 and 152,326.80

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Solution

The fourth proportional to 219,663.43, 329,154.35 and 152,326.80 is: 228,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,663.43 : 329,154.35 = 152,326.80 : x
  2. Step 2: Convert to fraction form
    219,663.43/329,154.35 = 152,326.80/x
  3. Step 3: Cross multiply
    219,663.43x = 329,154.35 × 152,326.80
  4. Step 4: Simplify right side
    219,663.43x = 50,139,028,079.95
  5. Step 5: Solve for x
    x = 50,139,028,079.95/219,663.43
  6. Step 6: Final answer
    x = 228,253.87

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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.