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Finding the Fourth Proportional to 349,373.26, 482,152.43 and 213,385.20

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Solution

The fourth proportional to 349,373.26, 482,152.43 and 213,385.20 is: 294,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,373.26 : 482,152.43 = 213,385.20 : x
  2. Step 2: Convert to fraction form
    349,373.26/482,152.43 = 213,385.20/x
  3. Step 3: Cross multiply
    349,373.26x = 482,152.43 × 213,385.20
  4. Step 4: Simplify right side
    349,373.26x = 102,884,191,431.43
  5. Step 5: Solve for x
    x = 102,884,191,431.43/349,373.26
  6. Step 6: Final answer
    x = 294,482.16

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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.