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Finding the Fourth Proportional to 525,519.54, 725,216.94 and 283,802.13

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Solution

The fourth proportional to 525,519.54, 725,216.94 and 283,802.13 is: 391,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,519.54 : 725,216.94 = 283,802.13 : x
  2. Step 2: Convert to fraction form
    525,519.54/725,216.94 = 283,802.13/x
  3. Step 3: Cross multiply
    525,519.54x = 725,216.94 × 283,802.13
  4. Step 4: Simplify right side
    525,519.54x = 205,818,112,284.08
  5. Step 5: Solve for x
    x = 205,818,112,284.08/525,519.54
  6. Step 6: Final answer
    x = 391,646.93

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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.