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Finding the Fourth Proportional to 431,637.35, 595,666.99 and 238,067.30

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Solution

The fourth proportional to 431,637.35, 595,666.99 and 238,067.30 is: 328,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,637.35 : 595,666.99 = 238,067.30 : x
  2. Step 2: Convert to fraction form
    431,637.35/595,666.99 = 238,067.30/x
  3. Step 3: Cross multiply
    431,637.35x = 595,666.99 × 238,067.30
  4. Step 4: Simplify right side
    431,637.35x = 141,808,829,327.68
  5. Step 5: Solve for x
    x = 141,808,829,327.68/431,637.35
  6. Step 6: Final answer
    x = 328,536.98

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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.