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Finding the Fourth Proportional to 583,692.40, 805,484.70 and 329,043.76

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Solution

The fourth proportional to 583,692.40, 805,484.70 and 329,043.76 is: 454,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,692.40 : 805,484.70 = 329,043.76 : x
  2. Step 2: Convert to fraction form
    583,692.40/805,484.70 = 329,043.76/x
  3. Step 3: Cross multiply
    583,692.40x = 805,484.70 × 329,043.76
  4. Step 4: Simplify right side
    583,692.40x = 265,039,714,310.47
  5. Step 5: Solve for x
    x = 265,039,714,310.47/583,692.40
  6. Step 6: Final answer
    x = 454,074.29

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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.