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Finding the Fourth Proportional to 885,615.80, 1,326,455.40 and 885,615.80

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Solution

The fourth proportional to 885,615.80, 1,326,455.40 and 885,615.80 is: 1,326,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,615.80 : 1,326,455.40 = 885,615.80 : x
  2. Step 2: Convert to fraction form
    885,615.80/1,326,455.40 = 885,615.80/x
  3. Step 3: Cross multiply
    885,615.80x = 1,326,455.40 × 885,615.80
  4. Step 4: Simplify right side
    885,615.80x = 1,174,729,860,235.32
  5. Step 5: Solve for x
    x = 1,174,729,860,235.32/885,615.80
  6. Step 6: Final answer
    x = 1,326,455.40

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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.