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Finding the Fourth Proportional to 507,157.14, 699,876.85 and 292,311.04

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Solution

The fourth proportional to 507,157.14, 699,876.85 and 292,311.04 is: 403,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,157.14 : 699,876.85 = 292,311.04 : x
  2. Step 2: Convert to fraction form
    507,157.14/699,876.85 = 292,311.04/x
  3. Step 3: Cross multiply
    507,157.14x = 699,876.85 × 292,311.04
  4. Step 4: Simplify right side
    507,157.14x = 204,581,730,053.97
  5. Step 5: Solve for x
    x = 204,581,730,053.97/507,157.14
  6. Step 6: Final answer
    x = 403,389.24

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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.