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Finding the Fourth Proportional to 1,700,693.96, 2,346,787.35 and 1,047,215.25

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Solution

The fourth proportional to 1,700,693.96, 2,346,787.35 and 1,047,215.25 is: 1,445,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,693.96 : 2,346,787.35 = 1,047,215.25 : x
  2. Step 2: Convert to fraction form
    1,700,693.96/2,346,787.35 = 1,047,215.25/x
  3. Step 3: Cross multiply
    1,700,693.96x = 2,346,787.35 × 1,047,215.25
  4. Step 4: Simplify right side
    1,700,693.96x = 2,457,591,501,427.09
  5. Step 5: Solve for x
    x = 2,457,591,501,427.09/1,700,693.96
  6. Step 6: Final answer
    x = 1,445,052.18

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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.