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Finding the Fourth Proportional to 585,066.95, 807,151.97 and 355,587.27

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Solution

The fourth proportional to 585,066.95, 807,151.97 and 355,587.27 is: 490,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,066.95 : 807,151.97 = 355,587.27 : x
  2. Step 2: Convert to fraction form
    585,066.95/807,151.97 = 355,587.27/x
  3. Step 3: Cross multiply
    585,066.95x = 807,151.97 × 355,587.27
  4. Step 4: Simplify right side
    585,066.95x = 287,012,963,709.49
  5. Step 5: Solve for x
    x = 287,012,963,709.49/585,066.95
  6. Step 6: Final answer
    x = 490,564.31

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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.