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Finding the Fourth Proportional to 1,059.18, 1,461.54 and 587.00

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Solution

The fourth proportional to 1,059.18, 1,461.54 and 587.00 is: 810.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.18 : 1,461.54 = 587.00 : x
  2. Step 2: Convert to fraction form
    1,059.18/1,461.54 = 587.00/x
  3. Step 3: Cross multiply
    1,059.18x = 1,461.54 × 587.00
  4. Step 4: Simplify right side
    1,059.18x = 857,929.84
  5. Step 5: Solve for x
    x = 857,929.84/1,059.18
  6. Step 6: Final answer
    x = 810.00

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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.