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Finding the Fourth Proportional to 692,954.40, 972,002.40 and 692,954.40

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Solution

The fourth proportional to 692,954.40, 972,002.40 and 692,954.40 is: 972,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,954.40 : 972,002.40 = 692,954.40 : x
  2. Step 2: Convert to fraction form
    692,954.40/972,002.40 = 692,954.40/x
  3. Step 3: Cross multiply
    692,954.40x = 972,002.40 × 692,954.40
  4. Step 4: Simplify right side
    692,954.40x = 673,553,339,890.56
  5. Step 5: Solve for x
    x = 673,553,339,890.56/692,954.40
  6. Step 6: Final answer
    x = 972,002.40

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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.