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Finding the Fourth Proportional to 466,622.40, 643,931.64 and 262,672.92

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Solution

The fourth proportional to 466,622.40, 643,931.64 and 262,672.92 is: 362,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,622.40 : 643,931.64 = 262,672.92 : x
  2. Step 2: Convert to fraction form
    466,622.40/643,931.64 = 262,672.92/x
  3. Step 3: Cross multiply
    466,622.40x = 643,931.64 × 262,672.92
  4. Step 4: Simplify right side
    466,622.40x = 169,143,404,159.19
  5. Step 5: Solve for x
    x = 169,143,404,159.19/466,622.40
  6. Step 6: Final answer
    x = 362,484.54

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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.