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Finding the Fourth Proportional to 467,935.32, 645,750.74 and 253,075.38

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Solution

The fourth proportional to 467,935.32, 645,750.74 and 253,075.38 is: 349,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,935.32 : 645,750.74 = 253,075.38 : x
  2. Step 2: Convert to fraction form
    467,935.32/645,750.74 = 253,075.38/x
  3. Step 3: Cross multiply
    467,935.32x = 645,750.74 × 253,075.38
  4. Step 4: Simplify right side
    467,935.32x = 163,423,613,910.78
  5. Step 5: Solve for x
    x = 163,423,613,910.78/467,935.32
  6. Step 6: Final answer
    x = 349,244.02

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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.