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Finding the Fourth Proportional to 457,026.04, 631,900.02 and 400,274.92

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Solution

The fourth proportional to 457,026.04, 631,900.02 and 400,274.92 is: 553,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,026.04 : 631,900.02 = 400,274.92 : x
  2. Step 2: Convert to fraction form
    457,026.04/631,900.02 = 400,274.92/x
  3. Step 3: Cross multiply
    457,026.04x = 631,900.02 × 400,274.92
  4. Step 4: Simplify right side
    457,026.04x = 252,933,729,953.50
  5. Step 5: Solve for x
    x = 252,933,729,953.50/457,026.04
  6. Step 6: Final answer
    x = 553,433.96

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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.