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Finding the Fourth Proportional to 507,293.48, 700,072.26 and 292,429.64

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Solution

The fourth proportional to 507,293.48, 700,072.26 and 292,429.64 is: 403,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,293.48 : 700,072.26 = 292,429.64 : x
  2. Step 2: Convert to fraction form
    507,293.48/700,072.26 = 292,429.64/x
  3. Step 3: Cross multiply
    507,293.48x = 700,072.26 × 292,429.64
  4. Step 4: Simplify right side
    507,293.48x = 204,721,878,965.79
  5. Step 5: Solve for x
    x = 204,721,878,965.79/507,293.48
  6. Step 6: Final answer
    x = 403,557.09

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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.