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Finding the Fourth Proportional to 333,555.47, 499,705.41 and 164,878.35

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Solution

The fourth proportional to 333,555.47, 499,705.41 and 164,878.35 is: 247,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,555.47 : 499,705.41 = 164,878.35 : x
  2. Step 2: Convert to fraction form
    333,555.47/499,705.41 = 164,878.35/x
  3. Step 3: Cross multiply
    333,555.47x = 499,705.41 × 164,878.35
  4. Step 4: Simplify right side
    333,555.47x = 82,390,603,486.87
  5. Step 5: Solve for x
    x = 82,390,603,486.87/333,555.47
  6. Step 6: Final answer
    x = 247,007.20

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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.