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Finding the Fourth Proportional to 372,506.25, 514,058.64 and 202,741.59

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Solution

The fourth proportional to 372,506.25, 514,058.64 and 202,741.59 is: 279,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,506.25 : 514,058.64 = 202,741.59 : x
  2. Step 2: Convert to fraction form
    372,506.25/514,058.64 = 202,741.59/x
  3. Step 3: Cross multiply
    372,506.25x = 514,058.64 × 202,741.59
  4. Step 4: Simplify right side
    372,506.25x = 104,221,066,026.84
  5. Step 5: Solve for x
    x = 104,221,066,026.84/372,506.25
  6. Step 6: Final answer
    x = 279,783.40

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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.