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Finding the Fourth Proportional to 467,173.12, 644,699.52 and 265,969.12

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Solution

The fourth proportional to 467,173.12, 644,699.52 and 265,969.12 is: 367,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,173.12 : 644,699.52 = 265,969.12 : x
  2. Step 2: Convert to fraction form
    467,173.12/644,699.52 = 265,969.12/x
  3. Step 3: Cross multiply
    467,173.12x = 644,699.52 × 265,969.12
  4. Step 4: Simplify right side
    467,173.12x = 171,470,163,998.82
  5. Step 5: Solve for x
    x = 171,470,163,998.82/467,173.12
  6. Step 6: Final answer
    x = 367,037.74

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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.