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Finding the Fourth Proportional to 506,616.66, 760,017.60 and 169,624.26

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Solution

The fourth proportional to 506,616.66, 760,017.60 and 169,624.26 is: 254,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,616.66 : 760,017.60 = 169,624.26 : x
  2. Step 2: Convert to fraction form
    506,616.66/760,017.60 = 169,624.26/x
  3. Step 3: Cross multiply
    506,616.66x = 760,017.60 × 169,624.26
  4. Step 4: Simplify right side
    506,616.66x = 128,917,422,986.98
  5. Step 5: Solve for x
    x = 128,917,422,986.98/506,616.66
  6. Step 6: Final answer
    x = 254,467.40

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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.