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Finding the Fourth Proportional to 1,047.10, 1,445.00 and 598.92

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Solution

The fourth proportional to 1,047.10, 1,445.00 and 598.92 is: 826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.10 : 1,445.00 = 598.92 : x
  2. Step 2: Convert to fraction form
    1,047.10/1,445.00 = 598.92/x
  3. Step 3: Cross multiply
    1,047.10x = 1,445.00 × 598.92
  4. Step 4: Simplify right side
    1,047.10x = 865,435.48
  5. Step 5: Solve for x
    x = 865,435.48/1,047.10
  6. Step 6: Final answer
    x = 826.51

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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.