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Finding the Fourth Proportional to 475,988.40, 713,797.38 and 239,166

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Solution

The fourth proportional to 475,988.40, 713,797.38 and 239,166 is: 358,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,988.40 : 713,797.38 = 239,166 : x
  2. Step 2: Convert to fraction form
    475,988.40/713,797.38 = 239,166/x
  3. Step 3: Cross multiply
    475,988.40x = 713,797.38 × 239,166
  4. Step 4: Simplify right side
    475,988.40x = 170,716,064,185.08
  5. Step 5: Solve for x
    x = 170,716,064,185.08/475,988.40
  6. Step 6: Final answer
    x = 358,655.93

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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.