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Finding the Fourth Proportional to 302,464.60, 453,696.90 and 231,605.80

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Solution

The fourth proportional to 302,464.60, 453,696.90 and 231,605.80 is: 347,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,464.60 : 453,696.90 = 231,605.80 : x
  2. Step 2: Convert to fraction form
    302,464.60/453,696.90 = 231,605.80/x
  3. Step 3: Cross multiply
    302,464.60x = 453,696.90 × 231,605.80
  4. Step 4: Simplify right side
    302,464.60x = 105,078,833,482.02
  5. Step 5: Solve for x
    x = 105,078,833,482.02/302,464.60
  6. Step 6: Final answer
    x = 347,408.70

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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.