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Finding the Fourth Proportional to 826,802.88, 1,141,112.88 and 504,700.80

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Solution

The fourth proportional to 826,802.88, 1,141,112.88 and 504,700.80 is: 696,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,802.88 : 1,141,112.88 = 504,700.80 : x
  2. Step 2: Convert to fraction form
    826,802.88/1,141,112.88 = 504,700.80/x
  3. Step 3: Cross multiply
    826,802.88x = 1,141,112.88 × 504,700.80
  4. Step 4: Simplify right side
    826,802.88x = 575,920,583,426.30
  5. Step 5: Solve for x
    x = 575,920,583,426.30/826,802.88
  6. Step 6: Final answer
    x = 696,563.35

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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.