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Finding the Fourth Proportional to 1,117.23, 1,675.86 and 468.03

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Solution

The fourth proportional to 1,117.23, 1,675.86 and 468.03 is: 702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117.23 : 1,675.86 = 468.03 : x
  2. Step 2: Convert to fraction form
    1,117.23/1,675.86 = 468.03/x
  3. Step 3: Cross multiply
    1,117.23x = 1,675.86 × 468.03
  4. Step 4: Simplify right side
    1,117.23x = 784,352.76
  5. Step 5: Solve for x
    x = 784,352.76/1,117.23
  6. Step 6: Final answer
    x = 702.05

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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.