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Finding the Fourth Proportional to 532,412.64, 734,622.48 and 338,898.24

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Solution

The fourth proportional to 532,412.64, 734,622.48 and 338,898.24 is: 467,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,412.64 : 734,622.48 = 338,898.24 : x
  2. Step 2: Convert to fraction form
    532,412.64/734,622.48 = 338,898.24/x
  3. Step 3: Cross multiply
    532,412.64x = 734,622.48 × 338,898.24
  4. Step 4: Simplify right side
    532,412.64x = 248,962,265,536.44
  5. Step 5: Solve for x
    x = 248,962,265,536.44/532,412.64
  6. Step 6: Final answer
    x = 467,611.49

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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.