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Finding the Fourth Proportional to 617,949.76, 927,099.60 and 365,454.40

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Solution

The fourth proportional to 617,949.76, 927,099.60 and 365,454.40 is: 548,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,949.76 : 927,099.60 = 365,454.40 : x
  2. Step 2: Convert to fraction form
    617,949.76/927,099.60 = 365,454.40/x
  3. Step 3: Cross multiply
    617,949.76x = 927,099.60 × 365,454.40
  4. Step 4: Simplify right side
    617,949.76x = 338,812,628,058.24
  5. Step 5: Solve for x
    x = 338,812,628,058.24/617,949.76
  6. Step 6: Final answer
    x = 548,285.07

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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.