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Finding the Fourth Proportional to 611,840.16, 844,646.40 and 382,524.84

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Solution

The fourth proportional to 611,840.16, 844,646.40 and 382,524.84 is: 528,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,840.16 : 844,646.40 = 382,524.84 : x
  2. Step 2: Convert to fraction form
    611,840.16/844,646.40 = 382,524.84/x
  3. Step 3: Cross multiply
    611,840.16x = 844,646.40 × 382,524.84
  4. Step 4: Simplify right side
    611,840.16x = 323,098,229,016.58
  5. Step 5: Solve for x
    x = 323,098,229,016.58/611,840.16
  6. Step 6: Final answer
    x = 528,076.20

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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.