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Finding the Fourth Proportional to 347,801.50, 521,746.80 and 98,483.50

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Solution

The fourth proportional to 347,801.50, 521,746.80 and 98,483.50 is: 147,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,801.50 : 521,746.80 = 98,483.50 : x
  2. Step 2: Convert to fraction form
    347,801.50/521,746.80 = 98,483.50/x
  3. Step 3: Cross multiply
    347,801.50x = 521,746.80 × 98,483.50
  4. Step 4: Simplify right side
    347,801.50x = 51,383,450,977.80
  5. Step 5: Solve for x
    x = 51,383,450,977.80/347,801.50
  6. Step 6: Final answer
    x = 147,737.86

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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.