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Finding the Fourth Proportional to 429,178.44, 592,258.86 and 238,199.88

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Solution

The fourth proportional to 429,178.44, 592,258.86 and 238,199.88 is: 328,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,178.44 : 592,258.86 = 238,199.88 : x
  2. Step 2: Convert to fraction form
    429,178.44/592,258.86 = 238,199.88/x
  3. Step 3: Cross multiply
    429,178.44x = 592,258.86 × 238,199.88
  4. Step 4: Simplify right side
    429,178.44x = 141,075,989,380.94
  5. Step 5: Solve for x
    x = 141,075,989,380.94/429,178.44
  6. Step 6: Final answer
    x = 328,711.73

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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.