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Finding the Fourth Proportional to 1,117.02, 1,675.98 and 467.94

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Solution

The fourth proportional to 1,117.02, 1,675.98 and 467.94 is: 702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117.02 : 1,675.98 = 467.94 : x
  2. Step 2: Convert to fraction form
    1,117.02/1,675.98 = 467.94/x
  3. Step 3: Cross multiply
    1,117.02x = 1,675.98 × 467.94
  4. Step 4: Simplify right side
    1,117.02x = 784,258.08
  5. Step 5: Solve for x
    x = 784,258.08/1,117.02
  6. Step 6: Final answer
    x = 702.10

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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.