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Finding the Fourth Proportional to 472,089.25, 651,483.24 and 257,229.34

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Solution

The fourth proportional to 472,089.25, 651,483.24 and 257,229.34 is: 354,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,089.25 : 651,483.24 = 257,229.34 : x
  2. Step 2: Convert to fraction form
    472,089.25/651,483.24 = 257,229.34/x
  3. Step 3: Cross multiply
    472,089.25x = 651,483.24 × 257,229.34
  4. Step 4: Simplify right side
    472,089.25x = 167,580,603,846.26
  5. Step 5: Solve for x
    x = 167,580,603,846.26/472,089.25
  6. Step 6: Final answer
    x = 354,976.53

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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.