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Finding the Fourth Proportional to 559,567.68, 838,694.40 and 259,416.48

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Solution

The fourth proportional to 559,567.68, 838,694.40 and 259,416.48 is: 388,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,567.68 : 838,694.40 = 259,416.48 : x
  2. Step 2: Convert to fraction form
    559,567.68/838,694.40 = 259,416.48/x
  3. Step 3: Cross multiply
    559,567.68x = 838,694.40 × 259,416.48
  4. Step 4: Simplify right side
    559,567.68x = 217,571,149,043.71
  5. Step 5: Solve for x
    x = 217,571,149,043.71/559,567.68
  6. Step 6: Final answer
    x = 388,820.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.