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Finding the Fourth Proportional to 326,654.60, 450,755.70 and 183,403.40

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Solution

The fourth proportional to 326,654.60, 450,755.70 and 183,403.40 is: 253,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,654.60 : 450,755.70 = 183,403.40 : x
  2. Step 2: Convert to fraction form
    326,654.60/450,755.70 = 183,403.40/x
  3. Step 3: Cross multiply
    326,654.60x = 450,755.70 × 183,403.40
  4. Step 4: Simplify right side
    326,654.60x = 82,670,127,949.38
  5. Step 5: Solve for x
    x = 82,670,127,949.38/326,654.60
  6. Step 6: Final answer
    x = 253,081.17

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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.