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Finding the Fourth Proportional to 318,297.70, 439,260.02 and 175,066.93

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Solution

The fourth proportional to 318,297.70, 439,260.02 and 175,066.93 is: 241,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,297.70 : 439,260.02 = 175,066.93 : x
  2. Step 2: Convert to fraction form
    318,297.70/439,260.02 = 175,066.93/x
  3. Step 3: Cross multiply
    318,297.70x = 439,260.02 × 175,066.93
  4. Step 4: Simplify right side
    318,297.70x = 76,899,902,297.80
  5. Step 5: Solve for x
    x = 76,899,902,297.80/318,297.70
  6. Step 6: Final answer
    x = 241,597.42

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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.