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Finding the Fourth Proportional to 360,009.84, 539,507.60 and 275,442.56

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Solution

The fourth proportional to 360,009.84, 539,507.60 and 275,442.56 is: 412,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,009.84 : 539,507.60 = 275,442.56 : x
  2. Step 2: Convert to fraction form
    360,009.84/539,507.60 = 275,442.56/x
  3. Step 3: Cross multiply
    360,009.84x = 539,507.60 × 275,442.56
  4. Step 4: Simplify right side
    360,009.84x = 148,603,354,483.46
  5. Step 5: Solve for x
    x = 148,603,354,483.46/360,009.84
  6. Step 6: Final answer
    x = 412,775.81

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1.5x scale

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.