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Finding the Fourth Proportional to 467,935.82, 645,751.43 and 253,075.88

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Solution

The fourth proportional to 467,935.82, 645,751.43 and 253,075.88 is: 349,244.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,935.82 : 645,751.43 = 253,075.88 : x
  2. Step 2: Convert to fraction form
    467,935.82/645,751.43 = 253,075.88/x
  3. Step 3: Cross multiply
    467,935.82x = 645,751.43 × 253,075.88
  4. Step 4: Simplify right side
    467,935.82x = 163,424,111,408.51
  5. Step 5: Solve for x
    x = 163,424,111,408.51/467,935.82
  6. Step 6: Final answer
    x = 349,244.71

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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.