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Finding the Fourth Proportional to 346,070.20, 519,105.30 and 346,070.20

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Solution

The fourth proportional to 346,070.20, 519,105.30 and 346,070.20 is: 519,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,070.20 : 519,105.30 = 346,070.20 : x
  2. Step 2: Convert to fraction form
    346,070.20/519,105.30 = 346,070.20/x
  3. Step 3: Cross multiply
    346,070.20x = 519,105.30 × 346,070.20
  4. Step 4: Simplify right side
    346,070.20x = 179,646,874,992.06
  5. Step 5: Solve for x
    x = 179,646,874,992.06/346,070.20
  6. Step 6: Final answer
    x = 519,105.30

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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.