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Finding the Fourth Proportional to 374,237.83, 516,448.76 and 213,093.01

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Solution

The fourth proportional to 374,237.83, 516,448.76 and 213,093.01 is: 294,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,237.83 : 516,448.76 = 213,093.01 : x
  2. Step 2: Convert to fraction form
    374,237.83/516,448.76 = 213,093.01/x
  3. Step 3: Cross multiply
    374,237.83x = 516,448.76 × 213,093.01
  4. Step 4: Simplify right side
    374,237.83x = 110,051,617,131.46
  5. Step 5: Solve for x
    x = 110,051,617,131.46/374,237.83
  6. Step 6: Final answer
    x = 294,068.66

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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.