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Finding the Fourth Proportional to 346,744.36, 520,266.80 and 122,265.15

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Solution

The fourth proportional to 346,744.36, 520,266.80 and 122,265.15 is: 183,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,744.36 : 520,266.80 = 122,265.15 : x
  2. Step 2: Convert to fraction form
    346,744.36/520,266.80 = 122,265.15/x
  3. Step 3: Cross multiply
    346,744.36x = 520,266.80 × 122,265.15
  4. Step 4: Simplify right side
    346,744.36x = 63,610,498,342.02
  5. Step 5: Solve for x
    x = 63,610,498,342.02/346,744.36
  6. Step 6: Final answer
    x = 183,450.71

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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.