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Finding the Fourth Proportional to 504,733.88, 696,515.76 and 300,679.11

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Solution

The fourth proportional to 504,733.88, 696,515.76 and 300,679.11 is: 414,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,733.88 : 696,515.76 = 300,679.11 : x
  2. Step 2: Convert to fraction form
    504,733.88/696,515.76 = 300,679.11/x
  3. Step 3: Cross multiply
    504,733.88x = 696,515.76 × 300,679.11
  4. Step 4: Simplify right side
    504,733.88x = 209,427,740,776.72
  5. Step 5: Solve for x
    x = 209,427,740,776.72/504,733.88
  6. Step 6: Final answer
    x = 414,927.05

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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.