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Finding the Fourth Proportional to 457,894.76, 631,852.44 and 253,941.92

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Solution

The fourth proportional to 457,894.76, 631,852.44 and 253,941.92 is: 350,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,894.76 : 631,852.44 = 253,941.92 : x
  2. Step 2: Convert to fraction form
    457,894.76/631,852.44 = 253,941.92/x
  3. Step 3: Cross multiply
    457,894.76x = 631,852.44 × 253,941.92
  4. Step 4: Simplify right side
    457,894.76x = 160,453,818,611.02
  5. Step 5: Solve for x
    x = 160,453,818,611.02/457,894.76
  6. Step 6: Final answer
    x = 350,416.37

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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.