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Finding the Fourth Proportional to 483,431.60, 724,272.60 and 413,447.60

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Solution

The fourth proportional to 483,431.60, 724,272.60 and 413,447.60 is: 619,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,431.60 : 724,272.60 = 413,447.60 : x
  2. Step 2: Convert to fraction form
    483,431.60/724,272.60 = 413,447.60/x
  3. Step 3: Cross multiply
    483,431.60x = 724,272.60 × 413,447.60
  4. Step 4: Simplify right side
    483,431.60x = 299,448,768,215.76
  5. Step 5: Solve for x
    x = 299,448,768,215.76/483,431.60
  6. Step 6: Final answer
    x = 619,423.24

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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.