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Finding the Fourth Proportional to 3,779,852.67, 5,669,800.88 and 939,965.13

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Solution

The fourth proportional to 3,779,852.67, 5,669,800.88 and 939,965.13 is: 1,409,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,852.67 : 5,669,800.88 = 939,965.13 : x
  2. Step 2: Convert to fraction form
    3,779,852.67/5,669,800.88 = 939,965.13/x
  3. Step 3: Cross multiply
    3,779,852.67x = 5,669,800.88 × 939,965.13
  4. Step 4: Simplify right side
    3,779,852.67x = 5,329,415,116,543.49
  5. Step 5: Solve for x
    x = 5,329,415,116,543.49/3,779,852.67
  6. Step 6: Final answer
    x = 1,409,953.13

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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.