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Finding the Fourth Proportional to 349,460.64, 482,295.84 and 194,427.36

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Solution

The fourth proportional to 349,460.64, 482,295.84 and 194,427.36 is: 268,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,460.64 : 482,295.84 = 194,427.36 : x
  2. Step 2: Convert to fraction form
    349,460.64/482,295.84 = 194,427.36/x
  3. Step 3: Cross multiply
    349,460.64x = 482,295.84 × 194,427.36
  4. Step 4: Simplify right side
    349,460.64x = 93,771,506,910.18
  5. Step 5: Solve for x
    x = 93,771,506,910.18/349,460.64
  6. Step 6: Final answer
    x = 268,332.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.