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Finding the Fourth Proportional to 346,391.82, 519,602.40 and 109,729.26

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Solution

The fourth proportional to 346,391.82, 519,602.40 and 109,729.26 is: 164,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,391.82 : 519,602.40 = 109,729.26 : x
  2. Step 2: Convert to fraction form
    346,391.82/519,602.40 = 109,729.26/x
  3. Step 3: Cross multiply
    346,391.82x = 519,602.40 × 109,729.26
  4. Step 4: Simplify right side
    346,391.82x = 57,015,586,846.22
  5. Step 5: Solve for x
    x = 57,015,586,846.22/346,391.82
  6. Step 6: Final answer
    x = 164,598.54

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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.