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Finding the Fourth Proportional to 297,975.98, 447,025.55 and 98,308.58

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Solution

The fourth proportional to 297,975.98, 447,025.55 and 98,308.58 is: 147,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,975.98 : 447,025.55 = 98,308.58 : x
  2. Step 2: Convert to fraction form
    297,975.98/447,025.55 = 98,308.58/x
  3. Step 3: Cross multiply
    297,975.98x = 447,025.55 × 98,308.58
  4. Step 4: Simplify right side
    297,975.98x = 43,946,447,044.22
  5. Step 5: Solve for x
    x = 43,946,447,044.22/297,975.98
  6. Step 6: Final answer
    x = 147,483.19

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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.