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Finding the Fourth Proportional to 472,165.58, 651,571.94 and 257,301.26

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Solution

The fourth proportional to 472,165.58, 651,571.94 and 257,301.26 is: 355,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,165.58 : 651,571.94 = 257,301.26 : x
  2. Step 2: Convert to fraction form
    472,165.58/651,571.94 = 257,301.26/x
  3. Step 3: Cross multiply
    472,165.58x = 651,571.94 × 257,301.26
  4. Step 4: Simplify right side
    472,165.58x = 167,650,281,142.64
  5. Step 5: Solve for x
    x = 167,650,281,142.64/472,165.58
  6. Step 6: Final answer
    x = 355,066.71

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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.