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Finding the Fourth Proportional to 1,932,541.34, 2,897,912.03 and 717,271.61

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Solution

The fourth proportional to 1,932,541.34, 2,897,912.03 and 717,271.61 is: 1,075,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,541.34 : 2,897,912.03 = 717,271.61 : x
  2. Step 2: Convert to fraction form
    1,932,541.34/2,897,912.03 = 717,271.61/x
  3. Step 3: Cross multiply
    1,932,541.34x = 2,897,912.03 × 717,271.61
  4. Step 4: Simplify right side
    1,932,541.34x = 2,078,590,009,320.55
  5. Step 5: Solve for x
    x = 2,078,590,009,320.55/1,932,541.34
  6. Step 6: Final answer
    x = 1,075,573.38

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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.