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Finding the Fourth Proportional to 590,146.80, 885,004.20 and 190,892.40

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Solution

The fourth proportional to 590,146.80, 885,004.20 and 190,892.40 is: 286,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,146.80 : 885,004.20 = 190,892.40 : x
  2. Step 2: Convert to fraction form
    590,146.80/885,004.20 = 190,892.40/x
  3. Step 3: Cross multiply
    590,146.80x = 885,004.20 × 190,892.40
  4. Step 4: Simplify right side
    590,146.80x = 168,940,575,748.08
  5. Step 5: Solve for x
    x = 168,940,575,748.08/590,146.80
  6. Step 6: Final answer
    x = 286,268.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.