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Finding the Fourth Proportional to 346,052.20, 519,224.10 and 188,393.80

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Solution

The fourth proportional to 346,052.20, 519,224.10 and 188,393.80 is: 282,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,052.20 : 519,224.10 = 188,393.80 : x
  2. Step 2: Convert to fraction form
    346,052.20/519,224.10 = 188,393.80/x
  3. Step 3: Cross multiply
    346,052.20x = 519,224.10 × 188,393.80
  4. Step 4: Simplify right side
    346,052.20x = 97,818,601,250.58
  5. Step 5: Solve for x
    x = 97,818,601,250.58/346,052.20
  6. Step 6: Final answer
    x = 282,670.07

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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.