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Finding the Fourth Proportional to 358,554, 537,855.62 and 118,667.46

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Solution

The fourth proportional to 358,554, 537,855.62 and 118,667.46 is: 178,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,554 : 537,855.62 = 118,667.46 : x
  2. Step 2: Convert to fraction form
    358,554/537,855.62 = 118,667.46/x
  3. Step 3: Cross multiply
    358,554x = 537,855.62 × 118,667.46
  4. Step 4: Simplify right side
    358,554x = 63,825,959,678.79
  5. Step 5: Solve for x
    x = 63,825,959,678.79/358,554
  6. Step 6: Final answer
    x = 178,009.34

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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.