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Finding the Fourth Proportional to 1,056.52, 1,458.02 and 590.92

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Solution

The fourth proportional to 1,056.52, 1,458.02 and 590.92 is: 815.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.52 : 1,458.02 = 590.92 : x
  2. Step 2: Convert to fraction form
    1,056.52/1,458.02 = 590.92/x
  3. Step 3: Cross multiply
    1,056.52x = 1,458.02 × 590.92
  4. Step 4: Simplify right side
    1,056.52x = 861,573.18
  5. Step 5: Solve for x
    x = 861,573.18/1,056.52
  6. Step 6: Final answer
    x = 815.48

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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.