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Finding the Fourth Proportional to 670,536.55, 925,113.99 and 380,116.98

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Solution

The fourth proportional to 670,536.55, 925,113.99 and 380,116.98 is: 524,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,536.55 : 925,113.99 = 380,116.98 : x
  2. Step 2: Convert to fraction form
    670,536.55/925,113.99 = 380,116.98/x
  3. Step 3: Cross multiply
    670,536.55x = 925,113.99 × 380,116.98
  4. Step 4: Simplify right side
    670,536.55x = 351,651,536,034.55
  5. Step 5: Solve for x
    x = 351,651,536,034.55/670,536.55
  6. Step 6: Final answer
    x = 524,433.06

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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.