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Finding the Fourth Proportional to 472,060.01, 651,434.55 and 257,201.62

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Solution

The fourth proportional to 472,060.01, 651,434.55 and 257,201.62 is: 354,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,060.01 : 651,434.55 = 257,201.62 : x
  2. Step 2: Convert to fraction form
    472,060.01/651,434.55 = 257,201.62/x
  3. Step 3: Cross multiply
    472,060.01x = 651,434.55 × 257,201.62
  4. Step 4: Simplify right side
    472,060.01x = 167,550,021,583.97
  5. Step 5: Solve for x
    x = 167,550,021,583.97/472,060.01
  6. Step 6: Final answer
    x = 354,933.73

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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.