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Finding the Fourth Proportional to 703,104.71, 1,054,706.72 and 348,023.39

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Solution

The fourth proportional to 703,104.71, 1,054,706.72 and 348,023.39 is: 522,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,104.71 : 1,054,706.72 = 348,023.39 : x
  2. Step 2: Convert to fraction form
    703,104.71/1,054,706.72 = 348,023.39/x
  3. Step 3: Cross multiply
    703,104.71x = 1,054,706.72 × 348,023.39
  4. Step 4: Simplify right side
    703,104.71x = 367,062,603,094.16
  5. Step 5: Solve for x
    x = 367,062,603,094.16/703,104.71
  6. Step 6: Final answer
    x = 522,059.66

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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.