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Finding the Fourth Proportional to 501,048.10, 751,572.15 and 146,073.70

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Solution

The fourth proportional to 501,048.10, 751,572.15 and 146,073.70 is: 219,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,048.10 : 751,572.15 = 146,073.70 : x
  2. Step 2: Convert to fraction form
    501,048.10/751,572.15 = 146,073.70/x
  3. Step 3: Cross multiply
    501,048.10x = 751,572.15 × 146,073.70
  4. Step 4: Simplify right side
    501,048.10x = 109,784,924,767.46
  5. Step 5: Solve for x
    x = 109,784,924,767.46/501,048.10
  6. Step 6: Final answer
    x = 219,110.55

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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.