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Finding the Fourth Proportional to 495,412.51, 683,665.40 and 269,058.01

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Solution

The fourth proportional to 495,412.51, 683,665.40 and 269,058.01 is: 371,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,412.51 : 683,665.40 = 269,058.01 : x
  2. Step 2: Convert to fraction form
    495,412.51/683,665.40 = 269,058.01/x
  3. Step 3: Cross multiply
    495,412.51x = 683,665.40 × 269,058.01
  4. Step 4: Simplify right side
    495,412.51x = 183,945,650,215.95
  5. Step 5: Solve for x
    x = 183,945,650,215.95/495,412.51
  6. Step 6: Final answer
    x = 371,297.95

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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.