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Finding the Fourth Proportional to 5,242,714.84, 7,865,263.60 and 1,599,770.60

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Solution

The fourth proportional to 5,242,714.84, 7,865,263.60 and 1,599,770.60 is: 2,400,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242,714.84 : 7,865,263.60 = 1,599,770.60 : x
  2. Step 2: Convert to fraction form
    5,242,714.84/7,865,263.60 = 1,599,770.60/x
  3. Step 3: Cross multiply
    5,242,714.84x = 7,865,263.60 × 1,599,770.60
  4. Step 4: Simplify right side
    5,242,714.84x = 12,582,617,468,530.16
  5. Step 5: Solve for x
    x = 12,582,617,468,530.16/5,242,714.84
  6. Step 6: Final answer
    x = 2,400,019.43

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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.