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Finding the Fourth Proportional to 339,228.16, 509,075.44 and 117,612.16

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Solution

The fourth proportional to 339,228.16, 509,075.44 and 117,612.16 is: 176,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,228.16 : 509,075.44 = 117,612.16 : x
  2. Step 2: Convert to fraction form
    339,228.16/509,075.44 = 117,612.16/x
  3. Step 3: Cross multiply
    339,228.16x = 509,075.44 × 117,612.16
  4. Step 4: Simplify right side
    339,228.16x = 59,873,462,101.35
  5. Step 5: Solve for x
    x = 59,873,462,101.35/339,228.16
  6. Step 6: Final answer
    x = 176,499.09

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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.