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Finding the Fourth Proportional to 512,237.64, 768,446.64 and 175,199.16

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Solution

The fourth proportional to 512,237.64, 768,446.64 and 175,199.16 is: 262,829.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,237.64 : 768,446.64 = 175,199.16 : x
  2. Step 2: Convert to fraction form
    512,237.64/768,446.64 = 175,199.16/x
  3. Step 3: Cross multiply
    512,237.64x = 768,446.64 × 175,199.16
  4. Step 4: Simplify right side
    512,237.64x = 134,631,205,832.82
  5. Step 5: Solve for x
    x = 134,631,205,832.82/512,237.64
  6. Step 6: Final answer
    x = 262,829.58

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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.