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Finding the Fourth Proportional to 374,651.16, 517,065.83 and 245,698.08

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Solution

The fourth proportional to 374,651.16, 517,065.83 and 245,698.08 is: 339,094.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,651.16 : 517,065.83 = 245,698.08 : x
  2. Step 2: Convert to fraction form
    374,651.16/517,065.83 = 245,698.08/x
  3. Step 3: Cross multiply
    374,651.16x = 517,065.83 × 245,698.08
  4. Step 4: Simplify right side
    374,651.16x = 127,042,081,664.61
  5. Step 5: Solve for x
    x = 127,042,081,664.61/374,651.16
  6. Step 6: Final answer
    x = 339,094.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.