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Finding the Fourth Proportional to 469,404.39, 702,958.23 and 423,914.79

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Solution

The fourth proportional to 469,404.39, 702,958.23 and 423,914.79 is: 634,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,404.39 : 702,958.23 = 423,914.79 : x
  2. Step 2: Convert to fraction form
    469,404.39/702,958.23 = 423,914.79/x
  3. Step 3: Cross multiply
    469,404.39x = 702,958.23 × 423,914.79
  4. Step 4: Simplify right side
    469,404.39x = 297,994,390,449.22
  5. Step 5: Solve for x
    x = 297,994,390,449.22/469,404.39
  6. Step 6: Final answer
    x = 634,835.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.