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Finding the Fourth Proportional to 525,476.43, 725,159.69 and 296,036.47

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Solution

The fourth proportional to 525,476.43, 725,159.69 and 296,036.47 is: 408,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,476.43 : 725,159.69 = 296,036.47 : x
  2. Step 2: Convert to fraction form
    525,476.43/725,159.69 = 296,036.47/x
  3. Step 3: Cross multiply
    525,476.43x = 725,159.69 × 296,036.47
  4. Step 4: Simplify right side
    525,476.43x = 214,673,714,813.89
  5. Step 5: Solve for x
    x = 214,673,714,813.89/525,476.43
  6. Step 6: Final answer
    x = 408,531.58

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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.