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Finding the Fourth Proportional to 365,530.40, 548,295.60 and 360,281.60

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Solution

The fourth proportional to 365,530.40, 548,295.60 and 360,281.60 is: 540,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,530.40 : 548,295.60 = 360,281.60 : x
  2. Step 2: Convert to fraction form
    365,530.40/548,295.60 = 360,281.60/x
  3. Step 3: Cross multiply
    365,530.40x = 548,295.60 × 360,281.60
  4. Step 4: Simplify right side
    365,530.40x = 197,540,816,040.96
  5. Step 5: Solve for x
    x = 197,540,816,040.96/365,530.40
  6. Step 6: Final answer
    x = 540,422.40

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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.