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Finding the Fourth Proportional to 468,060.09, 702,483.99 and 438,535.59

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Solution

The fourth proportional to 468,060.09, 702,483.99 and 438,535.59 is: 658,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,060.09 : 702,483.99 = 438,535.59 : x
  2. Step 2: Convert to fraction form
    468,060.09/702,483.99 = 438,535.59/x
  3. Step 3: Cross multiply
    468,060.09x = 702,483.99 × 438,535.59
  4. Step 4: Simplify right side
    468,060.09x = 308,064,231,020.20
  5. Step 5: Solve for x
    x = 308,064,231,020.20/468,060.09
  6. Step 6: Final answer
    x = 658,172.40

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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.