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Finding the Fourth Proportional to 1,795,807.60, 2,696,821.80 and 955,999.60

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Solution

The fourth proportional to 1,795,807.60, 2,696,821.80 and 955,999.60 is: 1,435,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795,807.60 : 2,696,821.80 = 955,999.60 : x
  2. Step 2: Convert to fraction form
    1,795,807.60/2,696,821.80 = 955,999.60/x
  3. Step 3: Cross multiply
    1,795,807.60x = 2,696,821.80 × 955,999.60
  4. Step 4: Simplify right side
    1,795,807.60x = 2,578,160,562,071.28
  5. Step 5: Solve for x
    x = 2,578,160,562,071.28/1,795,807.60
  6. Step 6: Final answer
    x = 1,435,655.22

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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.