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Finding the Fourth Proportional to 384,265.35, 530,245.27 and 223,090.27

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Solution

The fourth proportional to 384,265.35, 530,245.27 and 223,090.27 is: 307,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,265.35 : 530,245.27 = 223,090.27 : x
  2. Step 2: Convert to fraction form
    384,265.35/530,245.27 = 223,090.27/x
  3. Step 3: Cross multiply
    384,265.35x = 530,245.27 × 223,090.27
  4. Step 4: Simplify right side
    384,265.35x = 118,292,559,403.77
  5. Step 5: Solve for x
    x = 118,292,559,403.77/384,265.35
  6. Step 6: Final answer
    x = 307,840.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.