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Finding the Fourth Proportional to 370,015.56, 554,683.12 and 133,300.34

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Solution

The fourth proportional to 370,015.56, 554,683.12 and 133,300.34 is: 199,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,015.56 : 554,683.12 = 133,300.34 : x
  2. Step 2: Convert to fraction form
    370,015.56/554,683.12 = 133,300.34/x
  3. Step 3: Cross multiply
    370,015.56x = 554,683.12 × 133,300.34
  4. Step 4: Simplify right side
    370,015.56x = 73,939,448,488.26
  5. Step 5: Solve for x
    x = 73,939,448,488.26/370,015.56
  6. Step 6: Final answer
    x = 199,827.94

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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.