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Finding the Fourth Proportional to 623,775.20, 933,913.20 and 606,279.20

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Solution

The fourth proportional to 623,775.20, 933,913.20 and 606,279.20 is: 907,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,775.20 : 933,913.20 = 606,279.20 : x
  2. Step 2: Convert to fraction form
    623,775.20/933,913.20 = 606,279.20/x
  3. Step 3: Cross multiply
    623,775.20x = 933,913.20 × 606,279.20
  4. Step 4: Simplify right side
    623,775.20x = 566,212,147,765.44
  5. Step 5: Solve for x
    x = 566,212,147,765.44/623,775.20
  6. Step 6: Final answer
    x = 907,718.27

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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.