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Finding the Fourth Proportional to 1,256,341.31, 1,734,058.92 and 712,795.25

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Solution

The fourth proportional to 1,256,341.31, 1,734,058.92 and 712,795.25 is: 983,832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,341.31 : 1,734,058.92 = 712,795.25 : x
  2. Step 2: Convert to fraction form
    1,256,341.31/1,734,058.92 = 712,795.25/x
  3. Step 3: Cross multiply
    1,256,341.31x = 1,734,058.92 × 712,795.25
  4. Step 4: Simplify right side
    1,256,341.31x = 1,236,028,952,725.84
  5. Step 5: Solve for x
    x = 1,236,028,952,725.84/1,256,341.31
  6. Step 6: Final answer
    x = 983,832.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.