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Finding the Fourth Proportional to 505,966.98, 758,838.68 and 146,059.62

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Solution

The fourth proportional to 505,966.98, 758,838.68 and 146,059.62 is: 219,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,966.98 : 758,838.68 = 146,059.62 : x
  2. Step 2: Convert to fraction form
    505,966.98/758,838.68 = 146,059.62/x
  3. Step 3: Cross multiply
    505,966.98x = 758,838.68 × 146,059.62
  4. Step 4: Simplify right side
    505,966.98x = 110,835,689,242.10
  5. Step 5: Solve for x
    x = 110,835,689,242.10/505,966.98
  6. Step 6: Final answer
    x = 219,057.16

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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.