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Finding the Fourth Proportional to 424,573.44, 636,963.84 and 175,326.72

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Solution

The fourth proportional to 424,573.44, 636,963.84 and 175,326.72 is: 263,032.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,573.44 : 636,963.84 = 175,326.72 : x
  2. Step 2: Convert to fraction form
    424,573.44/636,963.84 = 175,326.72/x
  3. Step 3: Cross multiply
    424,573.44x = 636,963.84 × 175,326.72
  4. Step 4: Simplify right side
    424,573.44x = 111,676,780,825.81
  5. Step 5: Solve for x
    x = 111,676,780,825.81/424,573.44
  6. Step 6: Final answer
    x = 263,032.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.