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Finding the Fourth Proportional to 612,096.80, 917,248.80 and 548,916.80

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Solution

The fourth proportional to 612,096.80, 917,248.80 and 548,916.80 is: 822,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,096.80 : 917,248.80 = 548,916.80 : x
  2. Step 2: Convert to fraction form
    612,096.80/917,248.80 = 548,916.80/x
  3. Step 3: Cross multiply
    612,096.80x = 917,248.80 × 548,916.80
  4. Step 4: Simplify right side
    612,096.80x = 503,493,276,099.84
  5. Step 5: Solve for x
    x = 503,493,276,099.84/612,096.80
  6. Step 6: Final answer
    x = 822,571.33

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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.