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Finding the Fourth Proportional to 456,411.71, 629,840.37 and 252,462.47

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Solution

The fourth proportional to 456,411.71, 629,840.37 and 252,462.47 is: 348,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,411.71 : 629,840.37 = 252,462.47 : x
  2. Step 2: Convert to fraction form
    456,411.71/629,840.37 = 252,462.47/x
  3. Step 3: Cross multiply
    456,411.71x = 629,840.37 × 252,462.47
  4. Step 4: Simplify right side
    456,411.71x = 159,011,053,941.31
  5. Step 5: Solve for x
    x = 159,011,053,941.31/456,411.71
  6. Step 6: Final answer
    x = 348,393.90

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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.