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Finding the Fourth Proportional to 352,396, 486,710.13 and 232,075.09

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Solution

The fourth proportional to 352,396, 486,710.13 and 232,075.09 is: 320,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,396 : 486,710.13 = 232,075.09 : x
  2. Step 2: Convert to fraction form
    352,396/486,710.13 = 232,075.09/x
  3. Step 3: Cross multiply
    352,396x = 486,710.13 × 232,075.09
  4. Step 4: Simplify right side
    352,396x = 112,953,297,223.66
  5. Step 5: Solve for x
    x = 112,953,297,223.66/352,396
  6. Step 6: Final answer
    x = 320,529.45

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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.