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Finding the Fourth Proportional to 301,898.40, 452,329.20 and 196,663.20

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Solution

The fourth proportional to 301,898.40, 452,329.20 and 196,663.20 is: 294,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,898.40 : 452,329.20 = 196,663.20 : x
  2. Step 2: Convert to fraction form
    301,898.40/452,329.20 = 196,663.20/x
  3. Step 3: Cross multiply
    301,898.40x = 452,329.20 × 196,663.20
  4. Step 4: Simplify right side
    301,898.40x = 88,956,507,925.44
  5. Step 5: Solve for x
    x = 88,956,507,925.44/301,898.40
  6. Step 6: Final answer
    x = 294,657.10

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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.