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Finding the Fourth Proportional to 599,968.73, 828,509.30 and 385,482.51

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Solution

The fourth proportional to 599,968.73, 828,509.30 and 385,482.51 is: 532,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,968.73 : 828,509.30 = 385,482.51 : x
  2. Step 2: Convert to fraction form
    599,968.73/828,509.30 = 385,482.51/x
  3. Step 3: Cross multiply
    599,968.73x = 828,509.30 × 385,482.51
  4. Step 4: Simplify right side
    599,968.73x = 319,375,844,040.49
  5. Step 5: Solve for x
    x = 319,375,844,040.49/599,968.73
  6. Step 6: Final answer
    x = 532,320.81

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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.