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Finding the Fourth Proportional to 473,160.36, 652,962.78 and 303,395.16

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Solution

The fourth proportional to 473,160.36, 652,962.78 and 303,395.16 is: 418,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,160.36 : 652,962.78 = 303,395.16 : x
  2. Step 2: Convert to fraction form
    473,160.36/652,962.78 = 303,395.16/x
  3. Step 3: Cross multiply
    473,160.36x = 652,962.78 × 303,395.16
  4. Step 4: Simplify right side
    473,160.36x = 198,105,747,112.15
  5. Step 5: Solve for x
    x = 198,105,747,112.15/473,160.36
  6. Step 6: Final answer
    x = 418,686.27

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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.