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Finding the Fourth Proportional to 544,496.10, 751,421.79 and 302,788.86

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Solution

The fourth proportional to 544,496.10, 751,421.79 and 302,788.86 is: 417,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,496.10 : 751,421.79 = 302,788.86 : x
  2. Step 2: Convert to fraction form
    544,496.10/751,421.79 = 302,788.86/x
  3. Step 3: Cross multiply
    544,496.10x = 751,421.79 × 302,788.86
  4. Step 4: Simplify right side
    544,496.10x = 227,522,147,173.26
  5. Step 5: Solve for x
    x = 227,522,147,173.26/544,496.10
  6. Step 6: Final answer
    x = 417,858.18

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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.