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Finding the Fourth Proportional to 475,277.49, 713,006.15 and 190,990.17

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Solution

The fourth proportional to 475,277.49, 713,006.15 and 190,990.17 is: 286,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,277.49 : 713,006.15 = 190,990.17 : x
  2. Step 2: Convert to fraction form
    475,277.49/713,006.15 = 190,990.17/x
  3. Step 3: Cross multiply
    475,277.49x = 713,006.15 × 190,990.17
  4. Step 4: Simplify right side
    475,277.49x = 136,177,164,844.60
  5. Step 5: Solve for x
    x = 136,177,164,844.60/475,277.49
  6. Step 6: Final answer
    x = 286,521.39

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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.