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Finding the Fourth Proportional to 298,600.02, 447,963.21 and 98,909.10

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Solution

The fourth proportional to 298,600.02, 447,963.21 and 98,909.10 is: 148,384.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,600.02 : 447,963.21 = 98,909.10 : x
  2. Step 2: Convert to fraction form
    298,600.02/447,963.21 = 98,909.10/x
  3. Step 3: Cross multiply
    298,600.02x = 447,963.21 × 98,909.10
  4. Step 4: Simplify right side
    298,600.02x = 44,307,637,934.21
  5. Step 5: Solve for x
    x = 44,307,637,934.21/298,600.02
  6. Step 6: Final answer
    x = 148,384.58

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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.