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Finding the Fourth Proportional to 507,488.55, 700,408.80 and 292,586.64

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Solution

The fourth proportional to 507,488.55, 700,408.80 and 292,586.64 is: 403,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,488.55 : 700,408.80 = 292,586.64 : x
  2. Step 2: Convert to fraction form
    507,488.55/700,408.80 = 292,586.64/x
  3. Step 3: Cross multiply
    507,488.55x = 700,408.80 × 292,586.64
  4. Step 4: Simplify right side
    507,488.55x = 204,930,257,418.43
  5. Step 5: Solve for x
    x = 204,930,257,418.43/507,488.55
  6. Step 6: Final answer
    x = 403,812.57

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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.