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Finding the Fourth Proportional to 572,359.59, 858,538.58 and 198,382.59

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Solution

The fourth proportional to 572,359.59, 858,538.58 and 198,382.59 is: 297,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,359.59 : 858,538.58 = 198,382.59 : x
  2. Step 2: Convert to fraction form
    572,359.59/858,538.58 = 198,382.59/x
  3. Step 3: Cross multiply
    572,359.59x = 858,538.58 × 198,382.59
  4. Step 4: Simplify right side
    572,359.59x = 170,319,106,123.41
  5. Step 5: Solve for x
    x = 170,319,106,123.41/572,359.59
  6. Step 6: Final answer
    x = 297,573.60

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Similar ratio
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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.