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Finding the Fourth Proportional to 346,089.20, 519,133.80 and 109,504.40

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Solution

The fourth proportional to 346,089.20, 519,133.80 and 109,504.40 is: 164,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,089.20 : 519,133.80 = 109,504.40 : x
  2. Step 2: Convert to fraction form
    346,089.20/519,133.80 = 109,504.40/x
  3. Step 3: Cross multiply
    346,089.20x = 519,133.80 × 109,504.40
  4. Step 4: Simplify right side
    346,089.20x = 56,847,435,288.72
  5. Step 5: Solve for x
    x = 56,847,435,288.72/346,089.20
  6. Step 6: Final answer
    x = 164,256.60

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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.