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Finding the Fourth Proportional to 472,059.09, 651,441.15 and 257,200.92

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Solution

The fourth proportional to 472,059.09, 651,441.15 and 257,200.92 is: 354,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,059.09 : 651,441.15 = 257,200.92 : x
  2. Step 2: Convert to fraction form
    472,059.09/651,441.15 = 257,200.92/x
  3. Step 3: Cross multiply
    472,059.09x = 651,441.15 × 257,200.92
  4. Step 4: Simplify right side
    472,059.09x = 167,551,263,105.86
  5. Step 5: Solve for x
    x = 167,551,263,105.86/472,059.09
  6. Step 6: Final answer
    x = 354,937.05

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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.