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Finding the Fourth Proportional to 346,507.80, 519,802.20 and 109,874.40

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Solution

The fourth proportional to 346,507.80, 519,802.20 and 109,874.40 is: 164,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,507.80 : 519,802.20 = 109,874.40 : x
  2. Step 2: Convert to fraction form
    346,507.80/519,802.20 = 109,874.40/x
  3. Step 3: Cross multiply
    346,507.80x = 519,802.20 × 109,874.40
  4. Step 4: Simplify right side
    346,507.80x = 57,112,954,843.68
  5. Step 5: Solve for x
    x = 57,112,954,843.68/346,507.80
  6. Step 6: Final answer
    x = 164,824.44

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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.