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Finding the Fourth Proportional to 525,568.54, 725,284.53 and 283,851.16

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Solution

The fourth proportional to 525,568.54, 725,284.53 and 283,851.16 is: 391,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,568.54 : 725,284.53 = 283,851.16 : x
  2. Step 2: Convert to fraction form
    525,568.54/725,284.53 = 283,851.16/x
  3. Step 3: Cross multiply
    525,568.54x = 725,284.53 × 283,851.16
  4. Step 4: Simplify right side
    525,568.54x = 205,872,855,170.56
  5. Step 5: Solve for x
    x = 205,872,855,170.56/525,568.54
  6. Step 6: Final answer
    x = 391,714.57

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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.