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Finding the Fourth Proportional to 384,416.80, 577,208.40 and 295,770.40

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Solution

The fourth proportional to 384,416.80, 577,208.40 and 295,770.40 is: 444,104.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,416.80 : 577,208.40 = 295,770.40 : x
  2. Step 2: Convert to fraction form
    384,416.80/577,208.40 = 295,770.40/x
  3. Step 3: Cross multiply
    384,416.80x = 577,208.40 × 295,770.40
  4. Step 4: Simplify right side
    384,416.80x = 170,721,159,351.36
  5. Step 5: Solve for x
    x = 170,721,159,351.36/384,416.80
  6. Step 6: Final answer
    x = 444,104.31

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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.