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Finding the Fourth Proportional to 472,188.15, 651,600.65 and 257,323.64

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Solution

The fourth proportional to 472,188.15, 651,600.65 and 257,323.64 is: 355,096.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,188.15 : 651,600.65 = 257,323.64 : x
  2. Step 2: Convert to fraction form
    472,188.15/651,600.65 = 257,323.64/x
  3. Step 3: Cross multiply
    472,188.15x = 651,600.65 × 257,323.64
  4. Step 4: Simplify right side
    472,188.15x = 167,672,248,469.67
  5. Step 5: Solve for x
    x = 167,672,248,469.67/472,188.15
  6. Step 6: Final answer
    x = 355,096.27

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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.