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Finding the Fourth Proportional to 308,955.98, 463,442.08 and 98,593.72

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Solution

The fourth proportional to 308,955.98, 463,442.08 and 98,593.72 is: 147,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,955.98 : 463,442.08 = 98,593.72 : x
  2. Step 2: Convert to fraction form
    308,955.98/463,442.08 = 98,593.72/x
  3. Step 3: Cross multiply
    308,955.98x = 463,442.08 × 98,593.72
  4. Step 4: Simplify right side
    308,955.98x = 45,692,478,671.74
  5. Step 5: Solve for x
    x = 45,692,478,671.74/308,955.98
  6. Step 6: Final answer
    x = 147,893.17

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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.