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Finding the Fourth Proportional to 558,235.60, 782,579.60 and 558,235.60

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Solution

The fourth proportional to 558,235.60, 782,579.60 and 558,235.60 is: 782,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,235.60 : 782,579.60 = 558,235.60 : x
  2. Step 2: Convert to fraction form
    558,235.60/782,579.60 = 558,235.60/x
  3. Step 3: Cross multiply
    558,235.60x = 782,579.60 × 558,235.60
  4. Step 4: Simplify right side
    558,235.60x = 436,863,792,553.76
  5. Step 5: Solve for x
    x = 436,863,792,553.76/558,235.60
  6. Step 6: Final answer
    x = 782,579.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.