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Finding the Fourth Proportional to 719,181.47, 992,843.53 and 525,371.58

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Solution

The fourth proportional to 719,181.47, 992,843.53 and 525,371.58 is: 725,285.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,181.47 : 992,843.53 = 525,371.58 : x
  2. Step 2: Convert to fraction form
    719,181.47/992,843.53 = 525,371.58/x
  3. Step 3: Cross multiply
    719,181.47x = 992,843.53 × 525,371.58
  4. Step 4: Simplify right side
    719,181.47x = 521,611,772,735.45
  5. Step 5: Solve for x
    x = 521,611,772,735.45/719,181.47
  6. Step 6: Final answer
    x = 725,285.33

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1.5x scale

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.