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Finding the Fourth Proportional to 317,461.44, 476,176.64 and 117,820.72

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Solution

The fourth proportional to 317,461.44, 476,176.64 and 117,820.72 is: 176,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,461.44 : 476,176.64 = 117,820.72 : x
  2. Step 2: Convert to fraction form
    317,461.44/476,176.64 = 117,820.72/x
  3. Step 3: Cross multiply
    317,461.44x = 476,176.64 × 117,820.72
  4. Step 4: Simplify right side
    317,461.44x = 56,103,474,571.98
  5. Step 5: Solve for x
    x = 56,103,474,571.98/317,461.44
  6. Step 6: Final answer
    x = 176,725.32

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1.5x scale

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.