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Finding the Fourth Proportional to 706,462.56, 974,925.18 and 384,179.63

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Solution

The fourth proportional to 706,462.56, 974,925.18 and 384,179.63 is: 530,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,462.56 : 974,925.18 = 384,179.63 : x
  2. Step 2: Convert to fraction form
    706,462.56/974,925.18 = 384,179.63/x
  3. Step 3: Cross multiply
    706,462.56x = 974,925.18 × 384,179.63
  4. Step 4: Simplify right side
    706,462.56x = 374,546,390,055.46
  5. Step 5: Solve for x
    x = 374,546,390,055.46/706,462.56
  6. Step 6: Final answer
    x = 530,171.61

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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.