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Finding the Fourth Proportional to 3,362,874.54, 4,640,878.80 and 1,835,065.50

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Solution

The fourth proportional to 3,362,874.54, 4,640,878.80 and 1,835,065.50 is: 2,532,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362,874.54 : 4,640,878.80 = 1,835,065.50 : x
  2. Step 2: Convert to fraction form
    3,362,874.54/4,640,878.80 = 1,835,065.50/x
  3. Step 3: Cross multiply
    3,362,874.54x = 4,640,878.80 × 1,835,065.50
  4. Step 4: Simplify right side
    3,362,874.54x = 8,516,316,575,561.40
  5. Step 5: Solve for x
    x = 8,516,316,575,561.40/3,362,874.54
  6. Step 6: Final answer
    x = 2,532,451.47

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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.