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Finding the Fourth Proportional to 737,779.20, 1,106,668.80 and 606,559.20

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Solution

The fourth proportional to 737,779.20, 1,106,668.80 and 606,559.20 is: 909,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,779.20 : 1,106,668.80 = 606,559.20 : x
  2. Step 2: Convert to fraction form
    737,779.20/1,106,668.80 = 606,559.20/x
  3. Step 3: Cross multiply
    737,779.20x = 1,106,668.80 × 606,559.20
  4. Step 4: Simplify right side
    737,779.20x = 671,260,141,992.96
  5. Step 5: Solve for x
    x = 671,260,141,992.96/737,779.20
  6. Step 6: Final answer
    x = 909,838.80

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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.