Home / 352,384.40-528,576.60-203,085.20

Finding the Fourth Proportional to 352,384.40, 528,576.60 and 203,085.20

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Solution

The fourth proportional to 352,384.40, 528,576.60 and 203,085.20 is: 304,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,384.40 : 528,576.60 = 203,085.20 : x
  2. Step 2: Convert to fraction form
    352,384.40/528,576.60 = 203,085.20/x
  3. Step 3: Cross multiply
    352,384.40x = 528,576.60 × 203,085.20
  4. Step 4: Simplify right side
    352,384.40x = 107,346,084,526.32
  5. Step 5: Solve for x
    x = 107,346,084,526.32/352,384.40
  6. Step 6: Final answer
    x = 304,627.80

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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.