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Finding the Fourth Proportional to 401,360.92, 553,895.06 and 240,184.80

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Solution

The fourth proportional to 401,360.92, 553,895.06 and 240,184.80 is: 331,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,360.92 : 553,895.06 = 240,184.80 : x
  2. Step 2: Convert to fraction form
    401,360.92/553,895.06 = 240,184.80/x
  3. Step 3: Cross multiply
    401,360.92x = 553,895.06 × 240,184.80
  4. Step 4: Simplify right side
    401,360.92x = 133,037,174,207.09
  5. Step 5: Solve for x
    x = 133,037,174,207.09/401,360.92
  6. Step 6: Final answer
    x = 331,465.19

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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.