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Finding the Fourth Proportional to 489,232.19, 675,145.90 and 271,444.86

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Solution

The fourth proportional to 489,232.19, 675,145.90 and 271,444.86 is: 374,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,232.19 : 675,145.90 = 271,444.86 : x
  2. Step 2: Convert to fraction form
    489,232.19/675,145.90 = 271,444.86/x
  3. Step 3: Cross multiply
    489,232.19x = 675,145.90 × 271,444.86
  4. Step 4: Simplify right side
    489,232.19x = 183,264,884,305.07
  5. Step 5: Solve for x
    x = 183,264,884,305.07/489,232.19
  6. Step 6: Final answer
    x = 374,596.95

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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.