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Finding the Fourth Proportional to 341,699.38, 512,536.28 and 105,035.94

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Solution

The fourth proportional to 341,699.38, 512,536.28 and 105,035.94 is: 157,549.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,699.38 : 512,536.28 = 105,035.94 : x
  2. Step 2: Convert to fraction form
    341,699.38/512,536.28 = 105,035.94/x
  3. Step 3: Cross multiply
    341,699.38x = 512,536.28 × 105,035.94
  4. Step 4: Simplify right side
    341,699.38x = 53,834,729,428.72
  5. Step 5: Solve for x
    x = 53,834,729,428.72/341,699.38
  6. Step 6: Final answer
    x = 157,549.98

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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.