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Finding the Fourth Proportional to 472,175.36, 651,593.92 and 257,317.12

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Solution

The fourth proportional to 472,175.36, 651,593.92 and 257,317.12 is: 355,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,175.36 : 651,593.92 = 257,317.12 : x
  2. Step 2: Convert to fraction form
    472,175.36/651,593.92 = 257,317.12/x
  3. Step 3: Cross multiply
    472,175.36x = 651,593.92 × 257,317.12
  4. Step 4: Simplify right side
    472,175.36x = 167,666,270,903.91
  5. Step 5: Solve for x
    x = 167,666,270,903.91/472,175.36
  6. Step 6: Final answer
    x = 355,093.22

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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.