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Finding the Fourth Proportional to 239,142.34, 358,290.54 and 224,918.33

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Solution

The fourth proportional to 239,142.34, 358,290.54 and 224,918.33 is: 336,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,142.34 : 358,290.54 = 224,918.33 : x
  2. Step 2: Convert to fraction form
    239,142.34/358,290.54 = 224,918.33/x
  3. Step 3: Cross multiply
    239,142.34x = 358,290.54 × 224,918.33
  4. Step 4: Simplify right side
    239,142.34x = 80,586,110,807.32
  5. Step 5: Solve for x
    x = 80,586,110,807.32/239,142.34
  6. Step 6: Final answer
    x = 336,979.69

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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.