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Finding the Fourth Proportional to 611,842.16, 844,649.16 and 382,526.84

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Solution

The fourth proportional to 611,842.16, 844,649.16 and 382,526.84 is: 528,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,842.16 : 844,649.16 = 382,526.84 : x
  2. Step 2: Convert to fraction form
    611,842.16/844,649.16 = 382,526.84/x
  3. Step 3: Cross multiply
    611,842.16x = 844,649.16 × 382,526.84
  4. Step 4: Simplify right side
    611,842.16x = 323,100,974,083.45
  5. Step 5: Solve for x
    x = 323,100,974,083.45/611,842.16
  6. Step 6: Final answer
    x = 528,078.96

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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.