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Finding the Fourth Proportional to 525,658.92, 725,409.59 and 283,941.48

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Solution

The fourth proportional to 525,658.92, 725,409.59 and 283,941.48 is: 391,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,658.92 : 725,409.59 = 283,941.48 : x
  2. Step 2: Convert to fraction form
    525,658.92/725,409.59 = 283,941.48/x
  3. Step 3: Cross multiply
    525,658.92x = 725,409.59 × 283,941.48
  4. Step 4: Simplify right side
    525,658.92x = 205,973,873,891.37
  5. Step 5: Solve for x
    x = 205,973,873,891.37/525,658.92
  6. Step 6: Final answer
    x = 391,839.40

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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.