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Finding the Fourth Proportional to 435,073.22, 653,250.46 and 243,323.33

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Solution

The fourth proportional to 435,073.22, 653,250.46 and 243,323.33 is: 365,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,073.22 : 653,250.46 = 243,323.33 : x
  2. Step 2: Convert to fraction form
    435,073.22/653,250.46 = 243,323.33/x
  3. Step 3: Cross multiply
    435,073.22x = 653,250.46 × 243,323.33
  4. Step 4: Simplify right side
    435,073.22x = 158,951,075,886.81
  5. Step 5: Solve for x
    x = 158,951,075,886.81/435,073.22
  6. Step 6: Final answer
    x = 365,343.28

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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.