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Finding the Fourth Proportional to 583,905.62, 805,651.89 and 329,207.60

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Solution

The fourth proportional to 583,905.62, 805,651.89 and 329,207.60 is: 454,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,905.62 : 805,651.89 = 329,207.60 : x
  2. Step 2: Convert to fraction form
    583,905.62/805,651.89 = 329,207.60/x
  3. Step 3: Cross multiply
    583,905.62x = 805,651.89 × 329,207.60
  4. Step 4: Simplify right side
    583,905.62x = 265,226,725,142.36
  5. Step 5: Solve for x
    x = 265,226,725,142.36/583,905.62
  6. Step 6: Final answer
    x = 454,228.76

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1.5x scale

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.