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Finding the Fourth Proportional to 624,979.36, 937,810.20 and 265,094.16

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Solution

The fourth proportional to 624,979.36, 937,810.20 and 265,094.16 is: 397,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,979.36 : 937,810.20 = 265,094.16 : x
  2. Step 2: Convert to fraction form
    624,979.36/937,810.20 = 265,094.16/x
  3. Step 3: Cross multiply
    624,979.36x = 937,810.20 × 265,094.16
  4. Step 4: Simplify right side
    624,979.36x = 248,608,007,208.43
  5. Step 5: Solve for x
    x = 248,608,007,208.43/624,979.36
  6. Step 6: Final answer
    x = 397,785.95

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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.