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Finding the Fourth Proportional to 504,707.76, 696,472.12 and 300,754.14

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Solution

The fourth proportional to 504,707.76, 696,472.12 and 300,754.14 is: 415,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,707.76 : 696,472.12 = 300,754.14 : x
  2. Step 2: Convert to fraction form
    504,707.76/696,472.12 = 300,754.14/x
  3. Step 3: Cross multiply
    504,707.76x = 696,472.12 × 300,754.14
  4. Step 4: Simplify right side
    504,707.76x = 209,466,873,207.58
  5. Step 5: Solve for x
    x = 209,466,873,207.58/504,707.76
  6. Step 6: Final answer
    x = 415,026.06

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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.