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Finding the Fourth Proportional to 318,411.83, 439,392.44 and 175,168.19

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Solution

The fourth proportional to 318,411.83, 439,392.44 and 175,168.19 is: 241,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,411.83 : 439,392.44 = 175,168.19 : x
  2. Step 2: Convert to fraction form
    318,411.83/439,392.44 = 175,168.19/x
  3. Step 3: Cross multiply
    318,411.83x = 439,392.44 × 175,168.19
  4. Step 4: Simplify right side
    318,411.83x = 76,967,575,341.68
  5. Step 5: Solve for x
    x = 76,967,575,341.68/318,411.83
  6. Step 6: Final answer
    x = 241,723.36

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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.