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Finding the Fourth Proportional to 525,524.95, 725,224.28 and 283,807.45

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Solution

The fourth proportional to 525,524.95, 725,224.28 and 283,807.45 is: 391,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,524.95 : 725,224.28 = 283,807.45 : x
  2. Step 2: Convert to fraction form
    525,524.95/725,224.28 = 283,807.45/x
  3. Step 3: Cross multiply
    525,524.95x = 725,224.28 × 283,807.45
  4. Step 4: Simplify right side
    525,524.95x = 205,824,053,584.89
  5. Step 5: Solve for x
    x = 205,824,053,584.89/525,524.95
  6. Step 6: Final answer
    x = 391,654.20

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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.