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Finding the Fourth Proportional to 1,566,261.60, 2,344,726.80 and 934,850.40

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Solution

The fourth proportional to 1,566,261.60, 2,344,726.80 and 934,850.40 is: 1,399,490.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,261.60 : 2,344,726.80 = 934,850.40 : x
  2. Step 2: Convert to fraction form
    1,566,261.60/2,344,726.80 = 934,850.40/x
  3. Step 3: Cross multiply
    1,566,261.60x = 2,344,726.80 × 934,850.40
  4. Step 4: Simplify right side
    1,566,261.60x = 2,191,968,786,870.72
  5. Step 5: Solve for x
    x = 2,191,968,786,870.72/1,566,261.60
  6. Step 6: Final answer
    x = 1,399,490.86

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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.