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Finding the Fourth Proportional to 348,002.68, 480,235.68 and 202,799.20

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Solution

The fourth proportional to 348,002.68, 480,235.68 and 202,799.20 is: 279,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,002.68 : 480,235.68 = 202,799.20 : x
  2. Step 2: Convert to fraction form
    348,002.68/480,235.68 = 202,799.20/x
  3. Step 3: Cross multiply
    348,002.68x = 480,235.68 × 202,799.20
  4. Step 4: Simplify right side
    348,002.68x = 97,391,411,715.46
  5. Step 5: Solve for x
    x = 97,391,411,715.46/348,002.68
  6. Step 6: Final answer
    x = 279,858.22

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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.