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Finding the Fourth Proportional to 303,496.60, 455,244.90 and 291,832.60

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Solution

The fourth proportional to 303,496.60, 455,244.90 and 291,832.60 is: 437,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,496.60 : 455,244.90 = 291,832.60 : x
  2. Step 2: Convert to fraction form
    303,496.60/455,244.90 = 291,832.60/x
  3. Step 3: Cross multiply
    303,496.60x = 455,244.90 × 291,832.60
  4. Step 4: Simplify right side
    303,496.60x = 132,855,302,803.74
  5. Step 5: Solve for x
    x = 132,855,302,803.74/303,496.60
  6. Step 6: Final answer
    x = 437,748.90

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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.