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Finding the Fourth Proportional to 507,245.83, 699,973.93 and 292,372.87

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Solution

The fourth proportional to 507,245.83, 699,973.93 and 292,372.87 is: 403,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,245.83 : 699,973.93 = 292,372.87 : x
  2. Step 2: Convert to fraction form
    507,245.83/699,973.93 = 292,372.87/x
  3. Step 3: Cross multiply
    507,245.83x = 699,973.93 × 292,372.87
  4. Step 4: Simplify right side
    507,245.83x = 204,653,386,839.28
  5. Step 5: Solve for x
    x = 204,653,386,839.28/507,245.83
  6. Step 6: Final answer
    x = 403,459.97

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1.5x scale

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.