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Finding the Fourth Proportional to 366,972.98, 550,486.80 and 130,284.90

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Solution

The fourth proportional to 366,972.98, 550,486.80 and 130,284.90 is: 195,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,972.98 : 550,486.80 = 130,284.90 : x
  2. Step 2: Convert to fraction form
    366,972.98/550,486.80 = 130,284.90/x
  3. Step 3: Cross multiply
    366,972.98x = 550,486.80 × 130,284.90
  4. Step 4: Simplify right side
    366,972.98x = 71,720,117,689.32
  5. Step 5: Solve for x
    x = 71,720,117,689.32/366,972.98
  6. Step 6: Final answer
    x = 195,437.06

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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.