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Finding the Fourth Proportional to 472,165.08, 651,571.26 and 257,300.76

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Solution

The fourth proportional to 472,165.08, 651,571.26 and 257,300.76 is: 355,066.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,165.08 : 651,571.26 = 257,300.76 : x
  2. Step 2: Convert to fraction form
    472,165.08/651,571.26 = 257,300.76/x
  3. Step 3: Cross multiply
    472,165.08x = 651,571.26 × 257,300.76
  4. Step 4: Simplify right side
    472,165.08x = 167,649,780,392.16
  5. Step 5: Solve for x
    x = 167,649,780,392.16/472,165.08
  6. Step 6: Final answer
    x = 355,066.03

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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.