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Finding the Fourth Proportional to 360,570.54, 540,944.34 and 123,916.62

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Solution

The fourth proportional to 360,570.54, 540,944.34 and 123,916.62 is: 185,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,570.54 : 540,944.34 = 123,916.62 : x
  2. Step 2: Convert to fraction form
    360,570.54/540,944.34 = 123,916.62/x
  3. Step 3: Cross multiply
    360,570.54x = 540,944.34 × 123,916.62
  4. Step 4: Simplify right side
    360,570.54x = 67,031,994,220.93
  5. Step 5: Solve for x
    x = 67,031,994,220.93/360,570.54
  6. Step 6: Final answer
    x = 185,905.35

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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.