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Finding the Fourth Proportional to 692,930.11, 956,216.64 and 434,945.69

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Solution

The fourth proportional to 692,930.11, 956,216.64 and 434,945.69 is: 600,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,930.11 : 956,216.64 = 434,945.69 : x
  2. Step 2: Convert to fraction form
    692,930.11/956,216.64 = 434,945.69/x
  3. Step 3: Cross multiply
    692,930.11x = 956,216.64 × 434,945.69
  4. Step 4: Simplify right side
    692,930.11x = 415,902,306,274.28
  5. Step 5: Solve for x
    x = 415,902,306,274.28/692,930.11
  6. Step 6: Final answer
    x = 600,208.16

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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.