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Finding the Fourth Proportional to 466,549.32, 643,858.53 and 262,613.40

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Solution

The fourth proportional to 466,549.32, 643,858.53 and 262,613.40 is: 362,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,549.32 : 643,858.53 = 262,613.40 : x
  2. Step 2: Convert to fraction form
    466,549.32/643,858.53 = 262,613.40/x
  3. Step 3: Cross multiply
    466,549.32x = 643,858.53 × 262,613.40
  4. Step 4: Simplify right side
    466,549.32x = 169,085,877,682.30
  5. Step 5: Solve for x
    x = 169,085,877,682.30/466,549.32
  6. Step 6: Final answer
    x = 362,418.01

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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.