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Finding the Fourth Proportional to 329,953.55, 455,335.88 and 179,050.55

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Solution

The fourth proportional to 329,953.55, 455,335.88 and 179,050.55 is: 247,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,953.55 : 455,335.88 = 179,050.55 : x
  2. Step 2: Convert to fraction form
    329,953.55/455,335.88 = 179,050.55/x
  3. Step 3: Cross multiply
    329,953.55x = 455,335.88 × 179,050.55
  4. Step 4: Simplify right side
    329,953.55x = 81,528,136,576.80
  5. Step 5: Solve for x
    x = 81,528,136,576.80/329,953.55
  6. Step 6: Final answer
    x = 247,089.74

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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.