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Finding the Fourth Proportional to 507,776.31, 700,705.28 and 292,903.56

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Solution

The fourth proportional to 507,776.31, 700,705.28 and 292,903.56 is: 404,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,776.31 : 700,705.28 = 292,903.56 : x
  2. Step 2: Convert to fraction form
    507,776.31/700,705.28 = 292,903.56/x
  3. Step 3: Cross multiply
    507,776.31x = 700,705.28 × 292,903.56
  4. Step 4: Simplify right side
    507,776.31x = 205,239,071,755.06
  5. Step 5: Solve for x
    x = 205,239,071,755.06/507,776.31
  6. Step 6: Final answer
    x = 404,191.90

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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.