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Finding the Fourth Proportional to 703,661.04, 1,053,000 and 437,546.88

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Solution

The fourth proportional to 703,661.04, 1,053,000 and 437,546.88 is: 654,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,661.04 : 1,053,000 = 437,546.88 : x
  2. Step 2: Convert to fraction form
    703,661.04/1,053,000 = 437,546.88/x
  3. Step 3: Cross multiply
    703,661.04x = 1,053,000 × 437,546.88
  4. Step 4: Simplify right side
    703,661.04x = 460,736,864,640
  5. Step 5: Solve for x
    x = 460,736,864,640/703,661.04
  6. Step 6: Final answer
    x = 654,771.03

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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.