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Finding the Fourth Proportional to 935,481.16, 1,403,202.30 and 374,365

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Solution

The fourth proportional to 935,481.16, 1,403,202.30 and 374,365 is: 561,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,481.16 : 1,403,202.30 = 374,365 : x
  2. Step 2: Convert to fraction form
    935,481.16/1,403,202.30 = 374,365/x
  3. Step 3: Cross multiply
    935,481.16x = 1,403,202.30 × 374,365
  4. Step 4: Simplify right side
    935,481.16x = 525,309,829,039.50
  5. Step 5: Solve for x
    x = 525,309,829,039.50/935,481.16
  6. Step 6: Final answer
    x = 561,539.72

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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.