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Finding the Fourth Proportional to 369,429.92, 554,144.88 and 169,918.11

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Solution

The fourth proportional to 369,429.92, 554,144.88 and 169,918.11 is: 254,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,429.92 : 554,144.88 = 169,918.11 : x
  2. Step 2: Convert to fraction form
    369,429.92/554,144.88 = 169,918.11/x
  3. Step 3: Cross multiply
    369,429.92x = 554,144.88 × 169,918.11
  4. Step 4: Simplify right side
    369,429.92x = 94,159,250,357.18
  5. Step 5: Solve for x
    x = 94,159,250,357.18/369,429.92
  6. Step 6: Final answer
    x = 254,877.17

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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.