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Finding the Fourth Proportional to 1,137,610, 1,706,695.67 and 338,888.44

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Solution

The fourth proportional to 1,137,610, 1,706,695.67 and 338,888.44 is: 508,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,610 : 1,706,695.67 = 338,888.44 : x
  2. Step 2: Convert to fraction form
    1,137,610/1,706,695.67 = 338,888.44/x
  3. Step 3: Cross multiply
    1,137,610x = 1,706,695.67 × 338,888.44
  4. Step 4: Simplify right side
    1,137,610x = 578,379,433,161.06
  5. Step 5: Solve for x
    x = 578,379,433,161.06/1,137,610
  6. Step 6: Final answer
    x = 508,416.27

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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.