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Finding the Fourth Proportional to 563,883.01, 845,980.64 and 260,369.80

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Solution

The fourth proportional to 563,883.01, 845,980.64 and 260,369.80 is: 390,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,883.01 : 845,980.64 = 260,369.80 : x
  2. Step 2: Convert to fraction form
    563,883.01/845,980.64 = 260,369.80/x
  3. Step 3: Cross multiply
    563,883.01x = 845,980.64 × 260,369.80
  4. Step 4: Simplify right side
    563,883.01x = 220,267,810,040.67
  5. Step 5: Solve for x
    x = 220,267,810,040.67/563,883.01
  6. Step 6: Final answer
    x = 390,626.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.