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Finding the Fourth Proportional to 1,951,569.60, 2,927,354.40 and 621,873.60

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Solution

The fourth proportional to 1,951,569.60, 2,927,354.40 and 621,873.60 is: 932,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,569.60 : 2,927,354.40 = 621,873.60 : x
  2. Step 2: Convert to fraction form
    1,951,569.60/2,927,354.40 = 621,873.60/x
  3. Step 3: Cross multiply
    1,951,569.60x = 2,927,354.40 × 621,873.60
  4. Step 4: Simplify right side
    1,951,569.60x = 1,820,444,419,203.84
  5. Step 5: Solve for x
    x = 1,820,444,419,203.84/1,951,569.60
  6. Step 6: Final answer
    x = 932,810.40

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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.