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Finding the Fourth Proportional to 334,064.80, 501,097.20 and 97,431.40

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Solution

The fourth proportional to 334,064.80, 501,097.20 and 97,431.40 is: 146,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,064.80 : 501,097.20 = 97,431.40 : x
  2. Step 2: Convert to fraction form
    334,064.80/501,097.20 = 97,431.40/x
  3. Step 3: Cross multiply
    334,064.80x = 501,097.20 × 97,431.40
  4. Step 4: Simplify right side
    334,064.80x = 48,822,601,732.08
  5. Step 5: Solve for x
    x = 48,822,601,732.08/334,064.80
  6. Step 6: Final answer
    x = 146,147.10

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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.