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Finding the Fourth Proportional to 625,116.32, 937,661.52 and 151,804.16

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Solution

The fourth proportional to 625,116.32, 937,661.52 and 151,804.16 is: 227,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,116.32 : 937,661.52 = 151,804.16 : x
  2. Step 2: Convert to fraction form
    625,116.32/937,661.52 = 151,804.16/x
  3. Step 3: Cross multiply
    625,116.32x = 937,661.52 × 151,804.16
  4. Step 4: Simplify right side
    625,116.32x = 142,340,919,407.92
  5. Step 5: Solve for x
    x = 142,340,919,407.92/625,116.32
  6. Step 6: Final answer
    x = 227,703.09

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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.