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Finding the Fourth Proportional to 628,013.64, 866,650.64 and 341,527.62

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Solution

The fourth proportional to 628,013.64, 866,650.64 and 341,527.62 is: 471,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,013.64 : 866,650.64 = 341,527.62 : x
  2. Step 2: Convert to fraction form
    628,013.64/866,650.64 = 341,527.62/x
  3. Step 3: Cross multiply
    628,013.64x = 866,650.64 × 341,527.62
  4. Step 4: Simplify right side
    628,013.64x = 295,985,130,450.68
  5. Step 5: Solve for x
    x = 295,985,130,450.68/628,013.64
  6. Step 6: Final answer
    x = 471,303.67

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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.