Home / 352,050.20-528,075.30-339,608.60

Finding the Fourth Proportional to 352,050.20, 528,075.30 and 339,608.60

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Solution

The fourth proportional to 352,050.20, 528,075.30 and 339,608.60 is: 509,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,050.20 : 528,075.30 = 339,608.60 : x
  2. Step 2: Convert to fraction form
    352,050.20/528,075.30 = 339,608.60/x
  3. Step 3: Cross multiply
    352,050.20x = 528,075.30 × 339,608.60
  4. Step 4: Simplify right side
    352,050.20x = 179,338,913,327.58
  5. Step 5: Solve for x
    x = 179,338,913,327.58/352,050.20
  6. Step 6: Final answer
    x = 509,412.90

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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.