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Finding the Fourth Proportional to 358,456, 537,684 and 124,984

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Solution

The fourth proportional to 358,456, 537,684 and 124,984 is: 187,476

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,456 : 537,684 = 124,984 : x
  2. Step 2: Convert to fraction form
    358,456/537,684 = 124,984/x
  3. Step 3: Cross multiply
    358,456x = 537,684 × 124,984
  4. Step 4: Simplify right side
    358,456x = 67,201,897,056
  5. Step 5: Solve for x
    x = 67,201,897,056/358,456
  6. Step 6: Final answer
    x = 187,476

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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.