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Finding the Fourth Proportional to 525,476.61, 725,159.93 and 296,036.64

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Solution

The fourth proportional to 525,476.61, 725,159.93 and 296,036.64 is: 408,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,476.61 : 725,159.93 = 296,036.64 : x
  2. Step 2: Convert to fraction form
    525,476.61/725,159.93 = 296,036.64/x
  3. Step 3: Cross multiply
    525,476.61x = 725,159.93 × 296,036.64
  4. Step 4: Simplify right side
    525,476.61x = 214,673,907,659.65
  5. Step 5: Solve for x
    x = 214,673,907,659.65/525,476.61
  6. Step 6: Final answer
    x = 408,531.80

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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.