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Finding the Fourth Proportional to 1,233,658.22, 1,845,369.74 and 1,158,075.50

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Solution

The fourth proportional to 1,233,658.22, 1,845,369.74 and 1,158,075.50 is: 1,732,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,658.22 : 1,845,369.74 = 1,158,075.50 : x
  2. Step 2: Convert to fraction form
    1,233,658.22/1,845,369.74 = 1,158,075.50/x
  3. Step 3: Cross multiply
    1,233,658.22x = 1,845,369.74 × 1,158,075.50
  4. Step 4: Simplify right side
    1,233,658.22x = 2,137,077,484,335.37
  5. Step 5: Solve for x
    x = 2,137,077,484,335.37/1,233,658.22
  6. Step 6: Final answer
    x = 1,732,309.20

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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.