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Finding the Fourth Proportional to 360,521.40, 540,782.10 and 173,897.40

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Solution

The fourth proportional to 360,521.40, 540,782.10 and 173,897.40 is: 260,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,521.40 : 540,782.10 = 173,897.40 : x
  2. Step 2: Convert to fraction form
    360,521.40/540,782.10 = 173,897.40/x
  3. Step 3: Cross multiply
    360,521.40x = 540,782.10 × 173,897.40
  4. Step 4: Simplify right side
    360,521.40x = 94,040,601,156.54
  5. Step 5: Solve for x
    x = 94,040,601,156.54/360,521.40
  6. Step 6: Final answer
    x = 260,846.10

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