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Finding the Fourth Proportional to 655,935.84, 983,276.28 and 256,443.84

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Solution

The fourth proportional to 655,935.84, 983,276.28 and 256,443.84 is: 384,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,935.84 : 983,276.28 = 256,443.84 : x
  2. Step 2: Convert to fraction form
    655,935.84/983,276.28 = 256,443.84/x
  3. Step 3: Cross multiply
    655,935.84x = 983,276.28 × 256,443.84
  4. Step 4: Simplify right side
    655,935.84x = 252,155,145,024.12
  5. Step 5: Solve for x
    x = 252,155,145,024.12/655,935.84
  6. Step 6: Final answer
    x = 384,420.44

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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.