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Finding the Fourth Proportional to 365,513.40, 548,270.10 and 307,776.60

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Solution

The fourth proportional to 365,513.40, 548,270.10 and 307,776.60 is: 461,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,513.40 : 548,270.10 = 307,776.60 : x
  2. Step 2: Convert to fraction form
    365,513.40/548,270.10 = 307,776.60/x
  3. Step 3: Cross multiply
    365,513.40x = 548,270.10 × 307,776.60
  4. Step 4: Simplify right side
    365,513.40x = 168,744,707,259.66
  5. Step 5: Solve for x
    x = 168,744,707,259.66/365,513.40
  6. Step 6: Final answer
    x = 461,664.90

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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.