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Finding the Fourth Proportional to 401,558.04, 601,417.71 and 201,935.16

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Solution

The fourth proportional to 401,558.04, 601,417.71 and 201,935.16 is: 302,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,558.04 : 601,417.71 = 201,935.16 : x
  2. Step 2: Convert to fraction form
    401,558.04/601,417.71 = 201,935.16/x
  3. Step 3: Cross multiply
    401,558.04x = 601,417.71 × 201,935.16
  4. Step 4: Simplify right side
    401,558.04x = 121,447,381,495.68
  5. Step 5: Solve for x
    x = 121,447,381,495.68/401,558.04
  6. Step 6: Final answer
    x = 302,440.42

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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.