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Finding the Fourth Proportional to 605,281.60, 907,922.40 and 162,049.60

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Solution

The fourth proportional to 605,281.60, 907,922.40 and 162,049.60 is: 243,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,281.60 : 907,922.40 = 162,049.60 : x
  2. Step 2: Convert to fraction form
    605,281.60/907,922.40 = 162,049.60/x
  3. Step 3: Cross multiply
    605,281.60x = 907,922.40 × 162,049.60
  4. Step 4: Simplify right side
    605,281.60x = 147,128,461,751.04
  5. Step 5: Solve for x
    x = 147,128,461,751.04/605,281.60
  6. Step 6: Final answer
    x = 243,074.40

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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.