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Finding the Fourth Proportional to 692,986, 956,320.68 and 375,034

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Solution

The fourth proportional to 692,986, 956,320.68 and 375,034 is: 517,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,986 : 956,320.68 = 375,034 : x
  2. Step 2: Convert to fraction form
    692,986/956,320.68 = 375,034/x
  3. Step 3: Cross multiply
    692,986x = 956,320.68 × 375,034
  4. Step 4: Simplify right side
    692,986x = 358,652,769,903.12
  5. Step 5: Solve for x
    x = 358,652,769,903.12/692,986
  6. Step 6: Final answer
    x = 517,546.92

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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.