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Finding the Fourth Proportional to 506,208.88, 759,054.48 and 169,127.92

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Solution

The fourth proportional to 506,208.88, 759,054.48 and 169,127.92 is: 253,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,208.88 : 759,054.48 = 169,127.92 : x
  2. Step 2: Convert to fraction form
    506,208.88/759,054.48 = 169,127.92/x
  3. Step 3: Cross multiply
    506,208.88x = 759,054.48 × 169,127.92
  4. Step 4: Simplify right side
    506,208.88x = 128,377,305,369.08
  5. Step 5: Solve for x
    x = 128,377,305,369.08/506,208.88
  6. Step 6: Final answer
    x = 253,605.40

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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.