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Finding the Fourth Proportional to 349,215.76, 481,904.94 and 213,477.04

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Solution

The fourth proportional to 349,215.76, 481,904.94 and 213,477.04 is: 294,590.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,215.76 : 481,904.94 = 213,477.04 : x
  2. Step 2: Convert to fraction form
    349,215.76/481,904.94 = 213,477.04/x
  3. Step 3: Cross multiply
    349,215.76x = 481,904.94 × 213,477.04
  4. Step 4: Simplify right side
    349,215.76x = 102,875,640,152.58
  5. Step 5: Solve for x
    x = 102,875,640,152.58/349,215.76
  6. Step 6: Final answer
    x = 294,590.49

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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.