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Finding the Fourth Proportional to 561,318.80, 844,051.80 and 470,080.40

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Solution

The fourth proportional to 561,318.80, 844,051.80 and 470,080.40 is: 706,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,318.80 : 844,051.80 = 470,080.40 : x
  2. Step 2: Convert to fraction form
    561,318.80/844,051.80 = 470,080.40/x
  3. Step 3: Cross multiply
    561,318.80x = 844,051.80 × 470,080.40
  4. Step 4: Simplify right side
    561,318.80x = 396,772,207,764.72
  5. Step 5: Solve for x
    x = 396,772,207,764.72/561,318.80
  6. Step 6: Final answer
    x = 706,857.15

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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.