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Finding the Fourth Proportional to 472,083.02, 651,466.34 and 257,224.86

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Solution

The fourth proportional to 472,083.02, 651,466.34 and 257,224.86 is: 354,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,083.02 : 651,466.34 = 257,224.86 : x
  2. Step 2: Convert to fraction form
    472,083.02/651,466.34 = 257,224.86/x
  3. Step 3: Cross multiply
    472,083.02x = 651,466.34 × 257,224.86
  4. Step 4: Simplify right side
    472,083.02x = 167,573,338,101.21
  5. Step 5: Solve for x
    x = 167,573,338,101.21/472,083.02
  6. Step 6: Final answer
    x = 354,965.82

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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.