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Finding the Fourth Proportional to 328,207.83, 452,963.02 and 190,417.11

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Solution

The fourth proportional to 328,207.83, 452,963.02 and 190,417.11 is: 262,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,207.83 : 452,963.02 = 190,417.11 : x
  2. Step 2: Convert to fraction form
    328,207.83/452,963.02 = 190,417.11/x
  3. Step 3: Cross multiply
    328,207.83x = 452,963.02 × 190,417.11
  4. Step 4: Simplify right side
    328,207.83x = 86,251,909,205.27
  5. Step 5: Solve for x
    x = 86,251,909,205.27/328,207.83
  6. Step 6: Final answer
    x = 262,796.62

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1.5x scale

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.