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Finding the Fourth Proportional to 346,000.86, 518,956.65 and 109,367.46

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Solution

The fourth proportional to 346,000.86, 518,956.65 and 109,367.46 is: 164,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,000.86 : 518,956.65 = 109,367.46 : x
  2. Step 2: Convert to fraction form
    346,000.86/518,956.65 = 109,367.46/x
  3. Step 3: Cross multiply
    346,000.86x = 518,956.65 × 109,367.46
  4. Step 4: Simplify right side
    346,000.86x = 56,756,970,660.61
  5. Step 5: Solve for x
    x = 56,756,970,660.61/346,000.86
  6. Step 6: Final answer
    x = 164,037.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.