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Finding the Fourth Proportional to 298,963.04, 448,296.71 and 130,410.50

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Solution

The fourth proportional to 298,963.04, 448,296.71 and 130,410.50 is: 195,551.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,963.04 : 448,296.71 = 130,410.50 : x
  2. Step 2: Convert to fraction form
    298,963.04/448,296.71 = 130,410.50/x
  3. Step 3: Cross multiply
    298,963.04x = 448,296.71 × 130,410.50
  4. Step 4: Simplify right side
    298,963.04x = 58,462,595,205.92
  5. Step 5: Solve for x
    x = 58,462,595,205.92/298,963.04
  6. Step 6: Final answer
    x = 195,551.25

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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.