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Finding the Fourth Proportional to 706,574.03, 975,076.74 and 384,286.46

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Solution

The fourth proportional to 706,574.03, 975,076.74 and 384,286.46 is: 530,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,574.03 : 975,076.74 = 384,286.46 : x
  2. Step 2: Convert to fraction form
    706,574.03/975,076.74 = 384,286.46/x
  3. Step 3: Cross multiply
    706,574.03x = 975,076.74 × 384,286.46
  4. Step 4: Simplify right side
    706,574.03x = 374,708,783,767.56
  5. Step 5: Solve for x
    x = 374,708,783,767.56/706,574.03
  6. Step 6: Final answer
    x = 530,317.80

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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.