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Finding the Fourth Proportional to 692,708.36, 956,096.87 and 406,320.71

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Solution

The fourth proportional to 692,708.36, 956,096.87 and 406,320.71 is: 560,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,708.36 : 956,096.87 = 406,320.71 : x
  2. Step 2: Convert to fraction form
    692,708.36/956,096.87 = 406,320.71/x
  3. Step 3: Cross multiply
    692,708.36x = 956,096.87 × 406,320.71
  4. Step 4: Simplify right side
    692,708.36x = 388,481,952,235.09
  5. Step 5: Solve for x
    x = 388,481,952,235.09/692,708.36
  6. Step 6: Final answer
    x = 560,816.03

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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.