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Finding the Fourth Proportional to 552,673.35, 762,634.77 and 310,950.59

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Solution

The fourth proportional to 552,673.35, 762,634.77 and 310,950.59 is: 429,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,673.35 : 762,634.77 = 310,950.59 : x
  2. Step 2: Convert to fraction form
    552,673.35/762,634.77 = 310,950.59/x
  3. Step 3: Cross multiply
    552,673.35x = 762,634.77 × 310,950.59
  4. Step 4: Simplify right side
    552,673.35x = 237,141,731,686.01
  5. Step 5: Solve for x
    x = 237,141,731,686.01/552,673.35
  6. Step 6: Final answer
    x = 429,081.18

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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.