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Finding the Fourth Proportional to 617,599.22, 852,285.66 and 345,666.02

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Solution

The fourth proportional to 617,599.22, 852,285.66 and 345,666.02 is: 477,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,599.22 : 852,285.66 = 345,666.02 : x
  2. Step 2: Convert to fraction form
    617,599.22/852,285.66 = 345,666.02/x
  3. Step 3: Cross multiply
    617,599.22x = 852,285.66 × 345,666.02
  4. Step 4: Simplify right side
    617,599.22x = 294,606,191,995.27
  5. Step 5: Solve for x
    x = 294,606,191,995.27/617,599.22
  6. Step 6: Final answer
    x = 477,018.40

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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.