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Finding the Fourth Proportional to 458,363.76, 632,532.45 and 254,402.72

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Solution

The fourth proportional to 458,363.76, 632,532.45 and 254,402.72 is: 351,070.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,363.76 : 632,532.45 = 254,402.72 : x
  2. Step 2: Convert to fraction form
    458,363.76/632,532.45 = 254,402.72/x
  3. Step 3: Cross multiply
    458,363.76x = 632,532.45 × 254,402.72
  4. Step 4: Simplify right side
    458,363.76x = 160,917,975,768.26
  5. Step 5: Solve for x
    x = 160,917,975,768.26/458,363.76
  6. Step 6: Final answer
    x = 351,070.46

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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.