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Finding the Fourth Proportional to 350,622.60, 524,897.10 and 313,297.80

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Solution

The fourth proportional to 350,622.60, 524,897.10 and 313,297.80 is: 469,020.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,622.60 : 524,897.10 = 313,297.80 : x
  2. Step 2: Convert to fraction form
    350,622.60/524,897.10 = 313,297.80/x
  3. Step 3: Cross multiply
    350,622.60x = 524,897.10 × 313,297.80
  4. Step 4: Simplify right side
    350,622.60x = 164,449,106,656.38
  5. Step 5: Solve for x
    x = 164,449,106,656.38/350,622.60
  6. Step 6: Final answer
    x = 469,020.27

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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.