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Finding the Fourth Proportional to 303,513.63, 418,827.31 and 167,525.76

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Solution

The fourth proportional to 303,513.63, 418,827.31 and 167,525.76 is: 231,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,513.63 : 418,827.31 = 167,525.76 : x
  2. Step 2: Convert to fraction form
    303,513.63/418,827.31 = 167,525.76/x
  3. Step 3: Cross multiply
    303,513.63x = 418,827.31 × 167,525.76
  4. Step 4: Simplify right side
    303,513.63x = 70,164,363,416.51
  5. Step 5: Solve for x
    x = 70,164,363,416.51/303,513.63
  6. Step 6: Final answer
    x = 231,173.68

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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.