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Finding the Fourth Proportional to 719,173.82, 992,833.01 and 525,363.90

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Solution

The fourth proportional to 719,173.82, 992,833.01 and 525,363.90 is: 725,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,173.82 : 992,833.01 = 525,363.90 : x
  2. Step 2: Convert to fraction form
    719,173.82/992,833.01 = 525,363.90/x
  3. Step 3: Cross multiply
    719,173.82x = 992,833.01 × 525,363.90
  4. Step 4: Simplify right side
    719,173.82x = 521,598,619,555.52
  5. Step 5: Solve for x
    x = 521,598,619,555.52/719,173.82
  6. Step 6: Final answer
    x = 725,274.76

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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.