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Finding the Fourth Proportional to 556,632.41, 768,154.20 and 301,983.59

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Solution

The fourth proportional to 556,632.41, 768,154.20 and 301,983.59 is: 416,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,632.41 : 768,154.20 = 301,983.59 : x
  2. Step 2: Convert to fraction form
    556,632.41/768,154.20 = 301,983.59/x
  3. Step 3: Cross multiply
    556,632.41x = 768,154.20 × 301,983.59
  4. Step 4: Simplify right side
    556,632.41x = 231,969,959,148.81
  5. Step 5: Solve for x
    x = 231,969,959,148.81/556,632.41
  6. Step 6: Final answer
    x = 416,738.15

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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.