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Finding the Fourth Proportional to 427,784.13, 590,404.28 and 246,460.77

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Solution

The fourth proportional to 427,784.13, 590,404.28 and 246,460.77 is: 340,151.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,784.13 : 590,404.28 = 246,460.77 : x
  2. Step 2: Convert to fraction form
    427,784.13/590,404.28 = 246,460.77/x
  3. Step 3: Cross multiply
    427,784.13x = 590,404.28 × 246,460.77
  4. Step 4: Simplify right side
    427,784.13x = 145,511,492,227.79
  5. Step 5: Solve for x
    x = 145,511,492,227.79/427,784.13
  6. Step 6: Final answer
    x = 340,151.68

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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.