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Finding the Fourth Proportional to 360,012.88, 540,095.70 and 123,292

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Solution

The fourth proportional to 360,012.88, 540,095.70 and 123,292 is: 184,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,012.88 : 540,095.70 = 123,292 : x
  2. Step 2: Convert to fraction form
    360,012.88/540,095.70 = 123,292/x
  3. Step 3: Cross multiply
    360,012.88x = 540,095.70 × 123,292
  4. Step 4: Simplify right side
    360,012.88x = 66,589,479,044.40
  5. Step 5: Solve for x
    x = 66,589,479,044.40/360,012.88
  6. Step 6: Final answer
    x = 184,964.16

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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.