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Finding the Fourth Proportional to 607,385.10, 838,154.64 and 365,745.90

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Solution

The fourth proportional to 607,385.10, 838,154.64 and 365,745.90 is: 504,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,385.10 : 838,154.64 = 365,745.90 : x
  2. Step 2: Convert to fraction form
    607,385.10/838,154.64 = 365,745.90/x
  3. Step 3: Cross multiply
    607,385.10x = 838,154.64 × 365,745.90
  4. Step 4: Simplify right side
    607,385.10x = 306,551,623,145.98
  5. Step 5: Solve for x
    x = 306,551,623,145.98/607,385.10
  6. Step 6: Final answer
    x = 504,707.18

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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.