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Finding the Fourth Proportional to 692,176.90, 966,685.70 and 692,176.90

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Solution

The fourth proportional to 692,176.90, 966,685.70 and 692,176.90 is: 966,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,176.90 : 966,685.70 = 692,176.90 : x
  2. Step 2: Convert to fraction form
    692,176.90/966,685.70 = 692,176.90/x
  3. Step 3: Cross multiply
    692,176.90x = 966,685.70 × 692,176.90
  4. Step 4: Simplify right side
    692,176.90x = 669,117,511,100.33
  5. Step 5: Solve for x
    x = 669,117,511,100.33/692,176.90
  6. Step 6: Final answer
    x = 966,685.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.