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Finding the Fourth Proportional to 719,174.82, 992,834.39 and 525,364.90

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Solution

The fourth proportional to 719,174.82, 992,834.39 and 525,364.90 is: 725,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,174.82 : 992,834.39 = 525,364.90 : x
  2. Step 2: Convert to fraction form
    719,174.82/992,834.39 = 525,364.90/x
  3. Step 3: Cross multiply
    719,174.82x = 992,834.39 × 525,364.90
  4. Step 4: Simplify right side
    719,174.82x = 521,600,340,018.91
  5. Step 5: Solve for x
    x = 521,600,340,018.91/719,174.82
  6. Step 6: Final answer
    x = 725,276.14

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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.