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Finding the Fourth Proportional to 583,783.62, 805,610.70 and 329,135.10

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Solution

The fourth proportional to 583,783.62, 805,610.70 and 329,135.10 is: 454,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,783.62 : 805,610.70 = 329,135.10 : x
  2. Step 2: Convert to fraction form
    583,783.62/805,610.70 = 329,135.10/x
  3. Step 3: Cross multiply
    583,783.62x = 805,610.70 × 329,135.10
  4. Step 4: Simplify right side
    583,783.62x = 265,154,758,305.57
  5. Step 5: Solve for x
    x = 265,154,758,305.57/583,783.62
  6. Step 6: Final answer
    x = 454,200.41

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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.