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Finding the Fourth Proportional to 346,767.61, 520,301.67 and 122,288.44

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Solution

The fourth proportional to 346,767.61, 520,301.67 and 122,288.44 is: 183,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,767.61 : 520,301.67 = 122,288.44 : x
  2. Step 2: Convert to fraction form
    346,767.61/520,301.67 = 122,288.44/x
  3. Step 3: Cross multiply
    346,767.61x = 520,301.67 × 122,288.44
  4. Step 4: Simplify right side
    346,767.61x = 63,626,879,553.69
  5. Step 5: Solve for x
    x = 63,626,879,553.69/346,767.61
  6. Step 6: Final answer
    x = 183,485.65

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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.