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Finding the Fourth Proportional to 1,573.03, 2,359.80 and 477.27

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Solution

The fourth proportional to 1,573.03, 2,359.80 and 477.27 is: 715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.03 : 2,359.80 = 477.27 : x
  2. Step 2: Convert to fraction form
    1,573.03/2,359.80 = 477.27/x
  3. Step 3: Cross multiply
    1,573.03x = 2,359.80 × 477.27
  4. Step 4: Simplify right side
    1,573.03x = 1,126,261.75
  5. Step 5: Solve for x
    x = 1,126,261.75/1,573.03
  6. Step 6: Final answer
    x = 715.98

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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.