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Finding the Fourth Proportional to 1,958,385.06, 2,938,413.51 and 1,106,096.58

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Solution

The fourth proportional to 1,958,385.06, 2,938,413.51 and 1,106,096.58 is: 1,659,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,385.06 : 2,938,413.51 = 1,106,096.58 : x
  2. Step 2: Convert to fraction form
    1,958,385.06/2,938,413.51 = 1,106,096.58/x
  3. Step 3: Cross multiply
    1,958,385.06x = 2,938,413.51 × 1,106,096.58
  4. Step 4: Simplify right side
    1,958,385.06x = 3,250,169,134,036.80
  5. Step 5: Solve for x
    x = 3,250,169,134,036.80/1,958,385.06
  6. Step 6: Final answer
    x = 1,659,617.00

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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.