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Finding the Fourth Proportional to 370,014.34, 554,920.71 and 103,758.34

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Solution

The fourth proportional to 370,014.34, 554,920.71 and 103,758.34 is: 155,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,014.34 : 554,920.71 = 103,758.34 : x
  2. Step 2: Convert to fraction form
    370,014.34/554,920.71 = 103,758.34/x
  3. Step 3: Cross multiply
    370,014.34x = 554,920.71 × 103,758.34
  4. Step 4: Simplify right side
    370,014.34x = 57,577,651,701.22
  5. Step 5: Solve for x
    x = 57,577,651,701.22/370,014.34
  6. Step 6: Final answer
    x = 155,609.24

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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.