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Finding the Fourth Proportional to 307,776.60, 461,664.90 and 241,421.40

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Solution

The fourth proportional to 307,776.60, 461,664.90 and 241,421.40 is: 362,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,776.60 : 461,664.90 = 241,421.40 : x
  2. Step 2: Convert to fraction form
    307,776.60/461,664.90 = 241,421.40/x
  3. Step 3: Cross multiply
    307,776.60x = 461,664.90 × 241,421.40
  4. Step 4: Simplify right side
    307,776.60x = 111,455,786,488.86
  5. Step 5: Solve for x
    x = 111,455,786,488.86/307,776.60
  6. Step 6: Final answer
    x = 362,132.10

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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.