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Finding the Fourth Proportional to 623,820.20, 933,980.70 and 606,324.20

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Solution

The fourth proportional to 623,820.20, 933,980.70 and 606,324.20 is: 907,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,820.20 : 933,980.70 = 606,324.20 : x
  2. Step 2: Convert to fraction form
    623,820.20/933,980.70 = 606,324.20/x
  3. Step 3: Cross multiply
    623,820.20x = 933,980.70 × 606,324.20
  4. Step 4: Simplify right side
    623,820.20x = 566,295,100,742.94
  5. Step 5: Solve for x
    x = 566,295,100,742.94/623,820.20
  6. Step 6: Final answer
    x = 907,785.77

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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.