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Finding the Fourth Proportional to 1,889,852.80, 2,834,779.20 and 1,889,852.80

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Solution

The fourth proportional to 1,889,852.80, 2,834,779.20 and 1,889,852.80 is: 2,834,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,852.80 : 2,834,779.20 = 1,889,852.80 : x
  2. Step 2: Convert to fraction form
    1,889,852.80/2,834,779.20 = 1,889,852.80/x
  3. Step 3: Cross multiply
    1,889,852.80x = 2,834,779.20 × 1,889,852.80
  4. Step 4: Simplify right side
    1,889,852.80x = 5,357,315,408,501.76
  5. Step 5: Solve for x
    x = 5,357,315,408,501.76/1,889,852.80
  6. Step 6: Final answer
    x = 2,834,779.20

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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.