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Finding the Fourth Proportional to 605,803.95, 836,151.93 and 376,534.40

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Solution

The fourth proportional to 605,803.95, 836,151.93 and 376,534.40 is: 519,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,803.95 : 836,151.93 = 376,534.40 : x
  2. Step 2: Convert to fraction form
    605,803.95/836,151.93 = 376,534.40/x
  3. Step 3: Cross multiply
    605,803.95x = 836,151.93 × 376,534.40
  4. Step 4: Simplify right side
    605,803.95x = 314,839,961,090.63
  5. Step 5: Solve for x
    x = 314,839,961,090.63/605,803.95
  6. Step 6: Final answer
    x = 519,706.02

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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.