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Finding the Fourth Proportional to 3,865,754.40, 5,798,602.80 and 1,170,074.40

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Solution

The fourth proportional to 3,865,754.40, 5,798,602.80 and 1,170,074.40 is: 1,755,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,754.40 : 5,798,602.80 = 1,170,074.40 : x
  2. Step 2: Convert to fraction form
    3,865,754.40/5,798,602.80 = 1,170,074.40/x
  3. Step 3: Cross multiply
    3,865,754.40x = 5,798,602.80 × 1,170,074.40
  4. Step 4: Simplify right side
    3,865,754.40x = 6,784,796,692,048.32
  5. Step 5: Solve for x
    x = 6,784,796,692,048.32/3,865,754.40
  6. Step 6: Final answer
    x = 1,755,102.88

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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.