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Finding the Fourth Proportional to 1,097,895.80, 1,645,922.10 and 572,583.80

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Solution

The fourth proportional to 1,097,895.80, 1,645,922.10 and 572,583.80 is: 858,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,895.80 : 1,645,922.10 = 572,583.80 : x
  2. Step 2: Convert to fraction form
    1,097,895.80/1,645,922.10 = 572,583.80/x
  3. Step 3: Cross multiply
    1,097,895.80x = 1,645,922.10 × 572,583.80
  4. Step 4: Simplify right side
    1,097,895.80x = 942,428,330,521.98
  5. Step 5: Solve for x
    x = 942,428,330,521.98/1,097,895.80
  6. Step 6: Final answer
    x = 858,395.06

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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.