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Finding the Fourth Proportional to 588,885.58, 812,455.14 and 385,055.81

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Solution

The fourth proportional to 588,885.58, 812,455.14 and 385,055.81 is: 531,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,885.58 : 812,455.14 = 385,055.81 : x
  2. Step 2: Convert to fraction form
    588,885.58/812,455.14 = 385,055.81/x
  3. Step 3: Cross multiply
    588,885.58x = 812,455.14 × 385,055.81
  4. Step 4: Simplify right side
    588,885.58x = 312,840,570,096.08
  5. Step 5: Solve for x
    x = 312,840,570,096.08/588,885.58
  6. Step 6: Final answer
    x = 531,241.69

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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.