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Finding the Fourth Proportional to 262,887.84, 362,784.96 and 143,655.84

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Solution

The fourth proportional to 262,887.84, 362,784.96 and 143,655.84 is: 198,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,887.84 : 362,784.96 = 143,655.84 : x
  2. Step 2: Convert to fraction form
    262,887.84/362,784.96 = 143,655.84/x
  3. Step 3: Cross multiply
    262,887.84x = 362,784.96 × 143,655.84
  4. Step 4: Simplify right side
    262,887.84x = 52,116,178,168.17
  5. Step 5: Solve for x
    x = 52,116,178,168.17/262,887.84
  6. Step 6: Final answer
    x = 198,244.92

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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.