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Finding the Fourth Proportional to 404,411.37, 606,681.14 and 134,549.13

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Solution

The fourth proportional to 404,411.37, 606,681.14 and 134,549.13 is: 201,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,411.37 : 606,681.14 = 134,549.13 : x
  2. Step 2: Convert to fraction form
    404,411.37/606,681.14 = 134,549.13/x
  3. Step 3: Cross multiply
    404,411.37x = 606,681.14 × 134,549.13
  4. Step 4: Simplify right side
    404,411.37x = 81,628,418,901.66
  5. Step 5: Solve for x
    x = 81,628,418,901.66/404,411.37
  6. Step 6: Final answer
    x = 201,845.01

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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.