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Finding the Fourth Proportional to 625,216.23, 937,054.89 and 355,570.65

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Solution

The fourth proportional to 625,216.23, 937,054.89 and 355,570.65 is: 532,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,216.23 : 937,054.89 = 355,570.65 : x
  2. Step 2: Convert to fraction form
    625,216.23/937,054.89 = 355,570.65/x
  3. Step 3: Cross multiply
    625,216.23x = 937,054.89 × 355,570.65
  4. Step 4: Simplify right side
    625,216.23x = 333,189,216,322.98
  5. Step 5: Solve for x
    x = 333,189,216,322.98/625,216.23
  6. Step 6: Final answer
    x = 532,918.37

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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.