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Finding the Fourth Proportional to 461,605.60, 692,408.40 and 437,111.20

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Solution

The fourth proportional to 461,605.60, 692,408.40 and 437,111.20 is: 655,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,605.60 : 692,408.40 = 437,111.20 : x
  2. Step 2: Convert to fraction form
    461,605.60/692,408.40 = 437,111.20/x
  3. Step 3: Cross multiply
    461,605.60x = 692,408.40 × 437,111.20
  4. Step 4: Simplify right side
    461,605.60x = 302,659,466,614.08
  5. Step 5: Solve for x
    x = 302,659,466,614.08/461,605.60
  6. Step 6: Final answer
    x = 655,666.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.