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Finding the Fourth Proportional to 303,514.63, 418,828.69 and 167,526.76

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Solution

The fourth proportional to 303,514.63, 418,828.69 and 167,526.76 is: 231,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,514.63 : 418,828.69 = 167,526.76 : x
  2. Step 2: Convert to fraction form
    303,514.63/418,828.69 = 167,526.76/x
  3. Step 3: Cross multiply
    303,514.63x = 418,828.69 × 167,526.76
  4. Step 4: Simplify right side
    303,514.63x = 70,165,013,430.74
  5. Step 5: Solve for x
    x = 70,165,013,430.74/303,514.63
  6. Step 6: Final answer
    x = 231,175.06

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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.