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Finding the Fourth Proportional to 614,935.12, 848,480.84 and 373,344.72

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Solution

The fourth proportional to 614,935.12, 848,480.84 and 373,344.72 is: 515,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,935.12 : 848,480.84 = 373,344.72 : x
  2. Step 2: Convert to fraction form
    614,935.12/848,480.84 = 373,344.72/x
  3. Step 3: Cross multiply
    614,935.12x = 848,480.84 × 373,344.72
  4. Step 4: Simplify right side
    614,935.12x = 316,775,841,635.17
  5. Step 5: Solve for x
    x = 316,775,841,635.17/614,935.12
  6. Step 6: Final answer
    x = 515,137.01

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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.