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Finding the Fourth Proportional to 612,792.57, 919,189.26 and 192,101.25

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Solution

The fourth proportional to 612,792.57, 919,189.26 and 192,101.25 is: 288,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,792.57 : 919,189.26 = 192,101.25 : x
  2. Step 2: Convert to fraction form
    612,792.57/919,189.26 = 192,101.25/x
  3. Step 3: Cross multiply
    612,792.57x = 919,189.26 × 192,101.25
  4. Step 4: Simplify right side
    612,792.57x = 176,577,405,832.58
  5. Step 5: Solve for x
    x = 176,577,405,832.58/612,792.57
  6. Step 6: Final answer
    x = 288,152.00

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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.