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Finding the Fourth Proportional to 576,024.80, 864,037.20 and 436,056.80

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Solution

The fourth proportional to 576,024.80, 864,037.20 and 436,056.80 is: 654,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,024.80 : 864,037.20 = 436,056.80 : x
  2. Step 2: Convert to fraction form
    576,024.80/864,037.20 = 436,056.80/x
  3. Step 3: Cross multiply
    576,024.80x = 864,037.20 × 436,056.80
  4. Step 4: Simplify right side
    576,024.80x = 376,769,296,512.96
  5. Step 5: Solve for x
    x = 376,769,296,512.96/576,024.80
  6. Step 6: Final answer
    x = 654,085.20

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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.