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Finding the Fourth Proportional to 472,193.33, 651,627.27 and 257,333.56

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Solution

The fourth proportional to 472,193.33, 651,627.27 and 257,333.56 is: 355,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,193.33 : 651,627.27 = 257,333.56 : x
  2. Step 2: Convert to fraction form
    472,193.33/651,627.27 = 257,333.56/x
  3. Step 3: Cross multiply
    472,193.33x = 651,627.27 × 257,333.56
  4. Step 4: Simplify right side
    472,193.33x = 167,685,563,553.11
  5. Step 5: Solve for x
    x = 167,685,563,553.11/472,193.33
  6. Step 6: Final answer
    x = 355,120.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.