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Finding the Fourth Proportional to 366,046.60, 548,000.70 and 261,070.60

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Solution

The fourth proportional to 366,046.60, 548,000.70 and 261,070.60 is: 390,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,046.60 : 548,000.70 = 261,070.60 : x
  2. Step 2: Convert to fraction form
    366,046.60/548,000.70 = 261,070.60/x
  3. Step 3: Cross multiply
    366,046.60x = 548,000.70 × 261,070.60
  4. Step 4: Simplify right side
    366,046.60x = 143,066,871,549.42
  5. Step 5: Solve for x
    x = 143,066,871,549.42/366,046.60
  6. Step 6: Final answer
    x = 390,843.33

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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.