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Finding the Fourth Proportional to 370,511.88, 555,973.74 and 180,974.40

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Solution

The fourth proportional to 370,511.88, 555,973.74 and 180,974.40 is: 271,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,511.88 : 555,973.74 = 180,974.40 : x
  2. Step 2: Convert to fraction form
    370,511.88/555,973.74 = 180,974.40/x
  3. Step 3: Cross multiply
    370,511.88x = 555,973.74 × 180,974.40
  4. Step 4: Simplify right side
    370,511.88x = 100,617,014,012.26
  5. Step 5: Solve for x
    x = 100,617,014,012.26/370,511.88
  6. Step 6: Final answer
    x = 271,562.18

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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.