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Finding the Fourth Proportional to 622,999.92, 934,397.60 and 173,751.28

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Solution

The fourth proportional to 622,999.92, 934,397.60 and 173,751.28 is: 260,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,999.92 : 934,397.60 = 173,751.28 : x
  2. Step 2: Convert to fraction form
    622,999.92/934,397.60 = 173,751.28/x
  3. Step 3: Cross multiply
    622,999.92x = 934,397.60 × 173,751.28
  4. Step 4: Simplify right side
    622,999.92x = 162,352,779,028.93
  5. Step 5: Solve for x
    x = 162,352,779,028.93/622,999.92
  6. Step 6: Final answer
    x = 260,598.39

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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.