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Finding the Fourth Proportional to 336,952.65, 505,549.17 and 144,746.31

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Solution

The fourth proportional to 336,952.65, 505,549.17 and 144,746.31 is: 217,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,952.65 : 505,549.17 = 144,746.31 : x
  2. Step 2: Convert to fraction form
    336,952.65/505,549.17 = 144,746.31/x
  3. Step 3: Cross multiply
    336,952.65x = 505,549.17 × 144,746.31
  4. Step 4: Simplify right side
    336,952.65x = 73,176,376,881.06
  5. Step 5: Solve for x
    x = 73,176,376,881.06/336,952.65
  6. Step 6: Final answer
    x = 217,171.10

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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.