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Finding the Fourth Proportional to 507,488.77, 760,994.78 and 294,317.29

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Solution

The fourth proportional to 507,488.77, 760,994.78 and 294,317.29 is: 441,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,488.77 : 760,994.78 = 294,317.29 : x
  2. Step 2: Convert to fraction form
    507,488.77/760,994.78 = 294,317.29/x
  3. Step 3: Cross multiply
    507,488.77x = 760,994.78 × 294,317.29
  4. Step 4: Simplify right side
    507,488.77x = 223,973,917,979.67
  5. Step 5: Solve for x
    x = 223,973,917,979.67/507,488.77
  6. Step 6: Final answer
    x = 441,337.69

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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.