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Finding the Fourth Proportional to 264,903.90, 364,307.67 and 243,908.70

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Solution

The fourth proportional to 264,903.90, 364,307.67 and 243,908.70 is: 335,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,903.90 : 364,307.67 = 243,908.70 : x
  2. Step 2: Convert to fraction form
    264,903.90/364,307.67 = 243,908.70/x
  3. Step 3: Cross multiply
    264,903.90x = 364,307.67 × 243,908.70
  4. Step 4: Simplify right side
    264,903.90x = 88,857,810,189.73
  5. Step 5: Solve for x
    x = 88,857,810,189.73/264,903.90
  6. Step 6: Final answer
    x = 335,434.13

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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.