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Finding the Fourth Proportional to 297,852.39, 411,039.45 and 161,886.35

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Solution

The fourth proportional to 297,852.39, 411,039.45 and 161,886.35 is: 223,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,852.39 : 411,039.45 = 161,886.35 : x
  2. Step 2: Convert to fraction form
    297,852.39/411,039.45 = 161,886.35/x
  3. Step 3: Cross multiply
    297,852.39x = 411,039.45 × 161,886.35
  4. Step 4: Simplify right side
    297,852.39x = 66,541,676,266.51
  5. Step 5: Solve for x
    x = 66,541,676,266.51/297,852.39
  6. Step 6: Final answer
    x = 223,404.88

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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.