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Finding the Fourth Proportional to 304,771.39, 457,187.16 and 105,065.49

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Solution

The fourth proportional to 304,771.39, 457,187.16 and 105,065.49 is: 157,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,771.39 : 457,187.16 = 105,065.49 : x
  2. Step 2: Convert to fraction form
    304,771.39/457,187.16 = 105,065.49/x
  3. Step 3: Cross multiply
    304,771.39x = 457,187.16 × 105,065.49
  4. Step 4: Simplify right side
    304,771.39x = 48,034,592,987.11
  5. Step 5: Solve for x
    x = 48,034,592,987.11/304,771.39
  6. Step 6: Final answer
    x = 157,608.60

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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.