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Finding the Fourth Proportional to 501,045.70, 751,568.55 and 146,095.60

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Solution

The fourth proportional to 501,045.70, 751,568.55 and 146,095.60 is: 219,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,045.70 : 751,568.55 = 146,095.60 : x
  2. Step 2: Convert to fraction form
    501,045.70/751,568.55 = 146,095.60/x
  3. Step 3: Cross multiply
    501,045.70x = 751,568.55 × 146,095.60
  4. Step 4: Simplify right side
    501,045.70x = 109,800,858,253.38
  5. Step 5: Solve for x
    x = 109,800,858,253.38/501,045.70
  6. Step 6: Final answer
    x = 219,143.40

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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.