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Finding the Fourth Proportional to 719,175.82, 992,835.77 and 525,365.90

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Solution

The fourth proportional to 719,175.82, 992,835.77 and 525,365.90 is: 725,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,175.82 : 992,835.77 = 525,365.90 : x
  2. Step 2: Convert to fraction form
    719,175.82/992,835.77 = 525,365.90/x
  3. Step 3: Cross multiply
    719,175.82x = 992,835.77 × 525,365.90
  4. Step 4: Simplify right side
    719,175.82x = 521,602,057,858.24
  5. Step 5: Solve for x
    x = 521,602,057,858.24/719,175.82
  6. Step 6: Final answer
    x = 725,277.52

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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.