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Finding the Fourth Proportional to 622,480.96, 859,420.98 and 508,033

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Solution

The fourth proportional to 622,480.96, 859,420.98 and 508,033 is: 701,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,480.96 : 859,420.98 = 508,033 : x
  2. Step 2: Convert to fraction form
    622,480.96/859,420.98 = 508,033/x
  3. Step 3: Cross multiply
    622,480.96x = 859,420.98 × 508,033
  4. Step 4: Simplify right side
    622,480.96x = 436,614,218,732.34
  5. Step 5: Solve for x
    x = 436,614,218,732.34/622,480.96
  6. Step 6: Final answer
    x = 701,409.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.