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Finding the Fourth Proportional to 624,481, 936,721.50 and 230,497

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Solution

The fourth proportional to 624,481, 936,721.50 and 230,497 is: 345,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,481 : 936,721.50 = 230,497 : x
  2. Step 2: Convert to fraction form
    624,481/936,721.50 = 230,497/x
  3. Step 3: Cross multiply
    624,481x = 936,721.50 × 230,497
  4. Step 4: Simplify right side
    624,481x = 215,911,495,585.50
  5. Step 5: Solve for x
    x = 215,911,495,585.50/624,481
  6. Step 6: Final answer
    x = 345,745.50

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1.5x scale

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.