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Finding the Fourth Proportional to 538,007.70, 804,937.95 and 351,383.70

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Solution

The fourth proportional to 538,007.70, 804,937.95 and 351,383.70 is: 525,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,007.70 : 804,937.95 = 351,383.70 : x
  2. Step 2: Convert to fraction form
    538,007.70/804,937.95 = 351,383.70/x
  3. Step 3: Cross multiply
    538,007.70x = 804,937.95 × 351,383.70
  4. Step 4: Simplify right side
    538,007.70x = 282,842,075,141.42
  5. Step 5: Solve for x
    x = 282,842,075,141.42/538,007.70
  6. Step 6: Final answer
    x = 525,721.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.