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Finding the Fourth Proportional to 525,514.77, 725,210.33 and 283,797.31

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Solution

The fourth proportional to 525,514.77, 725,210.33 and 283,797.31 is: 391,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,514.77 : 725,210.33 = 283,797.31 : x
  2. Step 2: Convert to fraction form
    525,514.77/725,210.33 = 283,797.31/x
  3. Step 3: Cross multiply
    525,514.77x = 725,210.33 × 283,797.31
  4. Step 4: Simplify right side
    525,514.77x = 205,812,740,838.21
  5. Step 5: Solve for x
    x = 205,812,740,838.21/525,514.77
  6. Step 6: Final answer
    x = 391,640.26

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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.