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Finding the Fourth Proportional to 583,992.18, 805,903.02 and 329,337.90

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Solution

The fourth proportional to 583,992.18, 805,903.02 and 329,337.90 is: 454,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,992.18 : 805,903.02 = 329,337.90 : x
  2. Step 2: Convert to fraction form
    583,992.18/805,903.02 = 329,337.90/x
  3. Step 3: Cross multiply
    583,992.18x = 805,903.02 × 329,337.90
  4. Step 4: Simplify right side
    583,992.18x = 265,414,408,210.46
  5. Step 5: Solve for x
    x = 265,414,408,210.46/583,992.18
  6. Step 6: Final answer
    x = 454,482.81

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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.