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Finding the Fourth Proportional to 595,703.70, 821,940.75 and 354,066.66

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Solution

The fourth proportional to 595,703.70, 821,940.75 and 354,066.66 is: 488,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,703.70 : 821,940.75 = 354,066.66 : x
  2. Step 2: Convert to fraction form
    595,703.70/821,940.75 = 354,066.66/x
  3. Step 3: Cross multiply
    595,703.70x = 821,940.75 × 354,066.66
  4. Step 4: Simplify right side
    595,703.70x = 291,021,816,070.40
  5. Step 5: Solve for x
    x = 291,021,816,070.40/595,703.70
  6. Step 6: Final answer
    x = 488,534.51

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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.