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Finding the Fourth Proportional to 617,755.86, 852,461.40 and 342,093.93

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Solution

The fourth proportional to 617,755.86, 852,461.40 and 342,093.93 is: 472,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,755.86 : 852,461.40 = 342,093.93 : x
  2. Step 2: Convert to fraction form
    617,755.86/852,461.40 = 342,093.93/x
  3. Step 3: Cross multiply
    617,755.86x = 852,461.40 × 342,093.93
  4. Step 4: Simplify right side
    617,755.86x = 291,621,864,526.53
  5. Step 5: Solve for x
    x = 291,621,864,526.53/617,755.86
  6. Step 6: Final answer
    x = 472,066.53

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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.