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Finding the Fourth Proportional to 346,077.70, 519,116.55 and 159,453.70

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Solution

The fourth proportional to 346,077.70, 519,116.55 and 159,453.70 is: 239,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,077.70 : 519,116.55 = 159,453.70 : x
  2. Step 2: Convert to fraction form
    346,077.70/519,116.55 = 159,453.70/x
  3. Step 3: Cross multiply
    346,077.70x = 519,116.55 × 159,453.70
  4. Step 4: Simplify right side
    346,077.70x = 82,775,054,628.74
  5. Step 5: Solve for x
    x = 82,775,054,628.74/346,077.70
  6. Step 6: Final answer
    x = 239,180.55

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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.