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Finding the Fourth Proportional to 583,910.51, 805,796.64 and 329,261.76

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Solution

The fourth proportional to 583,910.51, 805,796.64 and 329,261.76 is: 454,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,910.51 : 805,796.64 = 329,261.76 : x
  2. Step 2: Convert to fraction form
    583,910.51/805,796.64 = 329,261.76/x
  3. Step 3: Cross multiply
    583,910.51x = 805,796.64 × 329,261.76
  4. Step 4: Simplify right side
    583,910.51x = 265,318,019,888.49
  5. Step 5: Solve for x
    x = 265,318,019,888.49/583,910.51
  6. Step 6: Final answer
    x = 454,381.31

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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.