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Finding the Fourth Proportional to 507,858.72, 700,818.04 and 292,985.97

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Solution

The fourth proportional to 507,858.72, 700,818.04 and 292,985.97 is: 404,305.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,858.72 : 700,818.04 = 292,985.97 : x
  2. Step 2: Convert to fraction form
    507,858.72/700,818.04 = 292,985.97/x
  3. Step 3: Cross multiply
    507,858.72x = 700,818.04 × 292,985.97
  4. Step 4: Simplify right side
    507,858.72x = 205,329,853,242.90
  5. Step 5: Solve for x
    x = 205,329,853,242.90/507,858.72
  6. Step 6: Final answer
    x = 404,305.07

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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.