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Finding the Fourth Proportional to 504,497.01, 696,222.64 and 300,520.07

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Solution

The fourth proportional to 504,497.01, 696,222.64 and 300,520.07 is: 414,727.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,497.01 : 696,222.64 = 300,520.07 : x
  2. Step 2: Convert to fraction form
    504,497.01/696,222.64 = 300,520.07/x
  3. Step 3: Cross multiply
    504,497.01x = 696,222.64 × 300,520.07
  4. Step 4: Simplify right side
    504,497.01x = 209,228,879,930.01
  5. Step 5: Solve for x
    x = 209,228,879,930.01/504,497.01
  6. Step 6: Final answer
    x = 414,727.69

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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.