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Finding the Fourth Proportional to 472,110.93, 651,520.53 and 257,250.87

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Solution

The fourth proportional to 472,110.93, 651,520.53 and 257,250.87 is: 355,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,110.93 : 651,520.53 = 257,250.87 : x
  2. Step 2: Convert to fraction form
    472,110.93/651,520.53 = 257,250.87/x
  3. Step 3: Cross multiply
    472,110.93x = 651,520.53 × 257,250.87
  4. Step 4: Simplify right side
    472,110.93x = 167,604,223,165.36
  5. Step 5: Solve for x
    x = 167,604,223,165.36/472,110.93
  6. Step 6: Final answer
    x = 355,010.26

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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.