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Finding the Fourth Proportional to 429,994.76, 593,393.14 and 236,405.76

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Solution

The fourth proportional to 429,994.76, 593,393.14 and 236,405.76 is: 326,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,994.76 : 593,393.14 = 236,405.76 : x
  2. Step 2: Convert to fraction form
    429,994.76/593,393.14 = 236,405.76/x
  3. Step 3: Cross multiply
    429,994.76x = 593,393.14 × 236,405.76
  4. Step 4: Simplify right side
    429,994.76x = 140,281,553,273.52
  5. Step 5: Solve for x
    x = 140,281,553,273.52/429,994.76
  6. Step 6: Final answer
    x = 326,240.15

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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.