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Finding the Fourth Proportional to 737,815.20, 1,106,722.80 and 606,595.20

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Solution

The fourth proportional to 737,815.20, 1,106,722.80 and 606,595.20 is: 909,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,815.20 : 1,106,722.80 = 606,595.20 : x
  2. Step 2: Convert to fraction form
    737,815.20/1,106,722.80 = 606,595.20/x
  3. Step 3: Cross multiply
    737,815.20x = 1,106,722.80 × 606,595.20
  4. Step 4: Simplify right side
    737,815.20x = 671,332,738,210.56
  5. Step 5: Solve for x
    x = 671,332,738,210.56/737,815.20
  6. Step 6: Final answer
    x = 909,892.80

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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.