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Finding the Fourth Proportional to 615,285.98, 849,093.06 and 343,351

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Solution

The fourth proportional to 615,285.98, 849,093.06 and 343,351 is: 473,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,285.98 : 849,093.06 = 343,351 : x
  2. Step 2: Convert to fraction form
    615,285.98/849,093.06 = 343,351/x
  3. Step 3: Cross multiply
    615,285.98x = 849,093.06 × 343,351
  4. Step 4: Simplify right side
    615,285.98x = 291,536,951,244.06
  5. Step 5: Solve for x
    x = 291,536,951,244.06/615,285.98
  6. Step 6: Final answer
    x = 473,823.49

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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.