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Finding the Fourth Proportional to 427,691.34, 590,276.57 and 246,368.39

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Solution

The fourth proportional to 427,691.34, 590,276.57 and 246,368.39 is: 340,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,691.34 : 590,276.57 = 246,368.39 : x
  2. Step 2: Convert to fraction form
    427,691.34/590,276.57 = 246,368.39/x
  3. Step 3: Cross multiply
    427,691.34x = 590,276.57 × 246,368.39
  4. Step 4: Simplify right side
    427,691.34x = 145,425,484,022.40
  5. Step 5: Solve for x
    x = 145,425,484,022.40/427,691.34
  6. Step 6: Final answer
    x = 340,024.38

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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.