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Finding the Fourth Proportional to 1,603,323.40, 2,404,985.10 and 1,458,689.80

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Solution

The fourth proportional to 1,603,323.40, 2,404,985.10 and 1,458,689.80 is: 2,188,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,323.40 : 2,404,985.10 = 1,458,689.80 : x
  2. Step 2: Convert to fraction form
    1,603,323.40/2,404,985.10 = 1,458,689.80/x
  3. Step 3: Cross multiply
    1,603,323.40x = 2,404,985.10 × 1,458,689.80
  4. Step 4: Simplify right side
    1,603,323.40x = 3,508,127,234,521.98
  5. Step 5: Solve for x
    x = 3,508,127,234,521.98/1,603,323.40
  6. Step 6: Final answer
    x = 2,188,034.70

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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.