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Finding the Fourth Proportional to 537,447.81, 741,655.74 and 292,433.57

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Solution

The fourth proportional to 537,447.81, 741,655.74 and 292,433.57 is: 403,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,447.81 : 741,655.74 = 292,433.57 : x
  2. Step 2: Convert to fraction form
    537,447.81/741,655.74 = 292,433.57/x
  3. Step 3: Cross multiply
    537,447.81x = 741,655.74 × 292,433.57
  4. Step 4: Simplify right side
    537,447.81x = 216,885,037,809.32
  5. Step 5: Solve for x
    x = 216,885,037,809.32/537,447.81
  6. Step 6: Final answer
    x = 403,546.23

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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.