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Finding the Fourth Proportional to 3,200,477.06, 4,799,718.99 and 1,070,062.95

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Solution

The fourth proportional to 3,200,477.06, 4,799,718.99 and 1,070,062.95 is: 1,604,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200,477.06 : 4,799,718.99 = 1,070,062.95 : x
  2. Step 2: Convert to fraction form
    3,200,477.06/4,799,718.99 = 1,070,062.95/x
  3. Step 3: Cross multiply
    3,200,477.06x = 4,799,718.99 × 1,070,062.95
  4. Step 4: Simplify right side
    3,200,477.06x = 5,136,001,479,609.37
  5. Step 5: Solve for x
    x = 5,136,001,479,609.37/3,200,477.06
  6. Step 6: Final answer
    x = 1,604,761.22

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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.