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Finding the Fourth Proportional to 475,516.84, 713,384.60 and 155,679.04

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Solution

The fourth proportional to 475,516.84, 713,384.60 and 155,679.04 is: 233,554.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,516.84 : 713,384.60 = 155,679.04 : x
  2. Step 2: Convert to fraction form
    475,516.84/713,384.60 = 155,679.04/x
  3. Step 3: Cross multiply
    475,516.84x = 713,384.60 × 155,679.04
  4. Step 4: Simplify right side
    475,516.84x = 111,059,029,678.78
  5. Step 5: Solve for x
    x = 111,059,029,678.78/475,516.84
  6. Step 6: Final answer
    x = 233,554.36

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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.