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Finding the Fourth Proportional to 472,113.94, 651,524.68 and 257,253.88

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Solution

The fourth proportional to 472,113.94, 651,524.68 and 257,253.88 is: 355,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,113.94 : 651,524.68 = 257,253.88 : x
  2. Step 2: Convert to fraction form
    472,113.94/651,524.68 = 257,253.88/x
  3. Step 3: Cross multiply
    472,113.94x = 651,524.68 × 257,253.88
  4. Step 4: Simplify right side
    472,113.94x = 167,607,251,845.76
  5. Step 5: Solve for x
    x = 167,607,251,845.76/472,113.94
  6. Step 6: Final answer
    x = 355,014.41

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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.