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Finding the Fourth Proportional to 539,479.88, 744,482.23 and 301,015.88

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Solution

The fourth proportional to 539,479.88, 744,482.23 and 301,015.88 is: 415,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,479.88 : 744,482.23 = 301,015.88 : x
  2. Step 2: Convert to fraction form
    539,479.88/744,482.23 = 301,015.88/x
  3. Step 3: Cross multiply
    539,479.88x = 744,482.23 × 301,015.88
  4. Step 4: Simplify right side
    539,479.88x = 224,100,969,132.86
  5. Step 5: Solve for x
    x = 224,100,969,132.86/539,479.88
  6. Step 6: Final answer
    x = 415,401.91

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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.