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Finding the Fourth Proportional to 1,555,855, 2,334,176.34 and 433,924

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Solution

The fourth proportional to 1,555,855, 2,334,176.34 and 433,924 is: 650,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,855 : 2,334,176.34 = 433,924 : x
  2. Step 2: Convert to fraction form
    1,555,855/2,334,176.34 = 433,924/x
  3. Step 3: Cross multiply
    1,555,855x = 2,334,176.34 × 433,924
  4. Step 4: Simplify right side
    1,555,855x = 1,012,855,134,158.16
  5. Step 5: Solve for x
    x = 1,012,855,134,158.16/1,555,855
  6. Step 6: Final answer
    x = 650,995.84

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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.