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Finding the Fourth Proportional to 340,595.77, 509,980.01 and 190,408.33

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Solution

The fourth proportional to 340,595.77, 509,980.01 and 190,408.33 is: 285,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,595.77 : 509,980.01 = 190,408.33 : x
  2. Step 2: Convert to fraction form
    340,595.77/509,980.01 = 190,408.33/x
  3. Step 3: Cross multiply
    340,595.77x = 509,980.01 × 190,408.33
  4. Step 4: Simplify right side
    340,595.77x = 97,104,442,037.48
  5. Step 5: Solve for x
    x = 97,104,442,037.48/340,595.77
  6. Step 6: Final answer
    x = 285,101.73

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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.