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Finding the Fourth Proportional to 472,059.01, 651,433.17 and 257,200.62

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Solution

The fourth proportional to 472,059.01, 651,433.17 and 257,200.62 is: 354,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,059.01 : 651,433.17 = 257,200.62 : x
  2. Step 2: Convert to fraction form
    472,059.01/651,433.17 = 257,200.62/x
  3. Step 3: Cross multiply
    472,059.01x = 651,433.17 × 257,200.62
  4. Step 4: Simplify right side
    472,059.01x = 167,549,015,212.57
  5. Step 5: Solve for x
    x = 167,549,015,212.57/472,059.01
  6. Step 6: Final answer
    x = 354,932.35

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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.