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Finding the Fourth Proportional to 507,086.55, 699,772.92 and 292,246.62

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Solution

The fourth proportional to 507,086.55, 699,772.92 and 292,246.62 is: 403,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,086.55 : 699,772.92 = 292,246.62 : x
  2. Step 2: Convert to fraction form
    507,086.55/699,772.92 = 292,246.62/x
  3. Step 3: Cross multiply
    507,086.55x = 699,772.92 × 292,246.62
  4. Step 4: Simplify right side
    507,086.55x = 204,506,270,637.53
  5. Step 5: Solve for x
    x = 204,506,270,637.53/507,086.55
  6. Step 6: Final answer
    x = 403,296.58

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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.