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Finding the Fourth Proportional to 370,490.53, 554,847.75 and 190,101.22

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Solution

The fourth proportional to 370,490.53, 554,847.75 and 190,101.22 is: 284,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,490.53 : 554,847.75 = 190,101.22 : x
  2. Step 2: Convert to fraction form
    370,490.53/554,847.75 = 190,101.22/x
  3. Step 3: Cross multiply
    370,490.53x = 554,847.75 × 190,101.22
  4. Step 4: Simplify right side
    370,490.53x = 105,477,234,189.26
  5. Step 5: Solve for x
    x = 105,477,234,189.26/370,490.53
  6. Step 6: Final answer
    x = 284,696.17

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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.