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Finding the Fourth Proportional to 307,455.49, 461,323.35 and 157,800.86

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Solution

The fourth proportional to 307,455.49, 461,323.35 and 157,800.86 is: 236,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,455.49 : 461,323.35 = 157,800.86 : x
  2. Step 2: Convert to fraction form
    307,455.49/461,323.35 = 157,800.86/x
  3. Step 3: Cross multiply
    307,455.49x = 461,323.35 × 157,800.86
  4. Step 4: Simplify right side
    307,455.49x = 72,797,221,368.08
  5. Step 5: Solve for x
    x = 72,797,221,368.08/307,455.49
  6. Step 6: Final answer
    x = 236,773.20

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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.