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Finding the Fourth Proportional to 469,302.50, 647,650.20 and 265,383.93

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Solution

The fourth proportional to 469,302.50, 647,650.20 and 265,383.93 is: 366,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,302.50 : 647,650.20 = 265,383.93 : x
  2. Step 2: Convert to fraction form
    469,302.50/647,650.20 = 265,383.93/x
  3. Step 3: Cross multiply
    469,302.50x = 647,650.20 × 265,383.93
  4. Step 4: Simplify right side
    469,302.50x = 171,875,953,629.35
  5. Step 5: Solve for x
    x = 171,875,953,629.35/469,302.50
  6. Step 6: Final answer
    x = 366,237.03

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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.