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Finding the Fourth Proportional to 572,568.60, 858,161.70 and 291,941.40

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Solution

The fourth proportional to 572,568.60, 858,161.70 and 291,941.40 is: 437,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,568.60 : 858,161.70 = 291,941.40 : x
  2. Step 2: Convert to fraction form
    572,568.60/858,161.70 = 291,941.40/x
  3. Step 3: Cross multiply
    572,568.60x = 858,161.70 × 291,941.40
  4. Step 4: Simplify right side
    572,568.60x = 250,532,928,124.38
  5. Step 5: Solve for x
    x = 250,532,928,124.38/572,568.60
  6. Step 6: Final answer
    x = 437,559.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.