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Finding the Fourth Proportional to 416,192.60, 624,050.45 and 127,929.17

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Solution

The fourth proportional to 416,192.60, 624,050.45 and 127,929.17 is: 191,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,192.60 : 624,050.45 = 127,929.17 : x
  2. Step 2: Convert to fraction form
    416,192.60/624,050.45 = 127,929.17/x
  3. Step 3: Cross multiply
    416,192.60x = 624,050.45 × 127,929.17
  4. Step 4: Simplify right side
    416,192.60x = 79,834,257,346.93
  5. Step 5: Solve for x
    x = 79,834,257,346.93/416,192.60
  6. Step 6: Final answer
    x = 191,820.46

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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.