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Finding the Fourth Proportional to 308,548.60, 462,822.90 and 304,401.40

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Solution

The fourth proportional to 308,548.60, 462,822.90 and 304,401.40 is: 456,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,548.60 : 462,822.90 = 304,401.40 : x
  2. Step 2: Convert to fraction form
    308,548.60/462,822.90 = 304,401.40/x
  3. Step 3: Cross multiply
    308,548.60x = 462,822.90 × 304,401.40
  4. Step 4: Simplify right side
    308,548.60x = 140,883,938,712.06
  5. Step 5: Solve for x
    x = 140,883,938,712.06/308,548.60
  6. Step 6: Final answer
    x = 456,602.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.