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Finding the Fourth Proportional to 525,671.30, 725,425.94 and 283,953.80

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Solution

The fourth proportional to 525,671.30, 725,425.94 and 283,953.80 is: 391,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,671.30 : 725,425.94 = 283,953.80 : x
  2. Step 2: Convert to fraction form
    525,671.30/725,425.94 = 283,953.80/x
  3. Step 3: Cross multiply
    525,671.30x = 725,425.94 × 283,953.80
  4. Step 4: Simplify right side
    525,671.30x = 205,987,452,281.57
  5. Step 5: Solve for x
    x = 205,987,452,281.57/525,671.30
  6. Step 6: Final answer
    x = 391,856.00

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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.