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Finding the Fourth Proportional to 456,165, 629,507.57 and 249,433.92

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Solution

The fourth proportional to 456,165, 629,507.57 and 249,433.92 is: 344,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,165 : 629,507.57 = 249,433.92 : x
  2. Step 2: Convert to fraction form
    456,165/629,507.57 = 249,433.92/x
  3. Step 3: Cross multiply
    456,165x = 629,507.57 × 249,433.92
  4. Step 4: Simplify right side
    456,165x = 157,020,539,607.61
  5. Step 5: Solve for x
    x = 157,020,539,607.61/456,165
  6. Step 6: Final answer
    x = 344,218.74

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1.5x scale

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.