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Finding the Fourth Proportional to 880,317.86, 1,214,843.69 and 517,757.00

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Solution

The fourth proportional to 880,317.86, 1,214,843.69 and 517,757.00 is: 714,507.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,317.86 : 1,214,843.69 = 517,757.00 : x
  2. Step 2: Convert to fraction form
    880,317.86/1,214,843.69 = 517,757.00/x
  3. Step 3: Cross multiply
    880,317.86x = 1,214,843.69 × 517,757.00
  4. Step 4: Simplify right side
    880,317.86x = 628,993,819,623.50
  5. Step 5: Solve for x
    x = 628,993,819,623.50/880,317.86
  6. Step 6: Final answer
    x = 714,507.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.