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Finding the Fourth Proportional to 692,921.19, 956,891.67 and 655,183.11

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Solution

The fourth proportional to 692,921.19, 956,891.67 and 655,183.11 is: 904,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,921.19 : 956,891.67 = 655,183.11 : x
  2. Step 2: Convert to fraction form
    692,921.19/956,891.67 = 655,183.11/x
  3. Step 3: Cross multiply
    692,921.19x = 956,891.67 × 655,183.11
  4. Step 4: Simplify right side
    692,921.19x = 626,939,260,283.69
  5. Step 5: Solve for x
    x = 626,939,260,283.69/692,921.19
  6. Step 6: Final answer
    x = 904,777.15

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1.5x scale

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.