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Finding the Fourth Proportional to 561,320.80, 844,054.80 and 470,082.40

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Solution

The fourth proportional to 561,320.80, 844,054.80 and 470,082.40 is: 706,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,320.80 : 844,054.80 = 470,082.40 : x
  2. Step 2: Convert to fraction form
    561,320.80/844,054.80 = 470,082.40/x
  3. Step 3: Cross multiply
    561,320.80x = 844,054.80 × 470,082.40
  4. Step 4: Simplify right side
    561,320.80x = 396,775,306,115.52
  5. Step 5: Solve for x
    x = 396,775,306,115.52/561,320.80
  6. Step 6: Final answer
    x = 706,860.15

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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.