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Finding the Fourth Proportional to 360,546.42, 540,346.32 and 265,330.74

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Solution

The fourth proportional to 360,546.42, 540,346.32 and 265,330.74 is: 397,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,546.42 : 540,346.32 = 265,330.74 : x
  2. Step 2: Convert to fraction form
    360,546.42/540,346.32 = 265,330.74/x
  3. Step 3: Cross multiply
    360,546.42x = 540,346.32 × 265,330.74
  4. Step 4: Simplify right side
    360,546.42x = 143,370,488,941.88
  5. Step 5: Solve for x
    x = 143,370,488,941.88/360,546.42
  6. Step 6: Final answer
    x = 397,647.80

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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.