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Finding the Fourth Proportional to 590,134.40, 885,460.80 and 274,428.80

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Solution

The fourth proportional to 590,134.40, 885,460.80 and 274,428.80 is: 411,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,134.40 : 885,460.80 = 274,428.80 : x
  2. Step 2: Convert to fraction form
    590,134.40/885,460.80 = 274,428.80/x
  3. Step 3: Cross multiply
    590,134.40x = 885,460.80 × 274,428.80
  4. Step 4: Simplify right side
    590,134.40x = 242,995,944,791.04
  5. Step 5: Solve for x
    x = 242,995,944,791.04/590,134.40
  6. Step 6: Final answer
    x = 411,763.74

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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.