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Finding the Fourth Proportional to 458,915.18, 633,265.82 and 265,335.32

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Solution

The fourth proportional to 458,915.18, 633,265.82 and 265,335.32 is: 366,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,915.18 : 633,265.82 = 265,335.32 : x
  2. Step 2: Convert to fraction form
    458,915.18/633,265.82 = 265,335.32/x
  3. Step 3: Cross multiply
    458,915.18x = 633,265.82 × 265,335.32
  4. Step 4: Simplify right side
    458,915.18x = 168,027,788,994.76
  5. Step 5: Solve for x
    x = 168,027,788,994.76/458,915.18
  6. Step 6: Final answer
    x = 366,141.27

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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.