Home / 352,605.10-528,032.85-282,621.10

Finding the Fourth Proportional to 352,605.10, 528,032.85 and 282,621.10

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Solution

The fourth proportional to 352,605.10, 528,032.85 and 282,621.10 is: 423,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,605.10 : 528,032.85 = 282,621.10 : x
  2. Step 2: Convert to fraction form
    352,605.10/528,032.85 = 282,621.10/x
  3. Step 3: Cross multiply
    352,605.10x = 528,032.85 × 282,621.10
  4. Step 4: Simplify right side
    352,605.10x = 149,233,224,903.14
  5. Step 5: Solve for x
    x = 149,233,224,903.14/352,605.10
  6. Step 6: Final answer
    x = 423,230.48

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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.