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Finding the Fourth Proportional to 539,482.88, 744,486.37 and 301,018.88

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Solution

The fourth proportional to 539,482.88, 744,486.37 and 301,018.88 is: 415,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,482.88 : 744,486.37 = 301,018.88 : x
  2. Step 2: Convert to fraction form
    539,482.88/744,486.37 = 301,018.88/x
  3. Step 3: Cross multiply
    539,482.88x = 744,486.37 × 301,018.88
  4. Step 4: Simplify right side
    539,482.88x = 224,104,453,272.67
  5. Step 5: Solve for x
    x = 224,104,453,272.67/539,482.88
  6. Step 6: Final answer
    x = 415,406.05

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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.