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Finding the Fourth Proportional to 328,020.53, 452,513.56 and 191,970.20

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Solution

The fourth proportional to 328,020.53, 452,513.56 and 191,970.20 is: 264,828.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,020.53 : 452,513.56 = 191,970.20 : x
  2. Step 2: Convert to fraction form
    328,020.53/452,513.56 = 191,970.20/x
  3. Step 3: Cross multiply
    328,020.53x = 452,513.56 × 191,970.20
  4. Step 4: Simplify right side
    328,020.53x = 86,869,115,873.42
  5. Step 5: Solve for x
    x = 86,869,115,873.42/328,020.53
  6. Step 6: Final answer
    x = 264,828.29

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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.