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Finding the Fourth Proportional to 328,188.42, 452,984.28 and 213,752.22

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Solution

The fourth proportional to 328,188.42, 452,984.28 and 213,752.22 is: 295,032.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,188.42 : 452,984.28 = 213,752.22 : x
  2. Step 2: Convert to fraction form
    328,188.42/452,984.28 = 213,752.22/x
  3. Step 3: Cross multiply
    328,188.42x = 452,984.28 × 213,752.22
  4. Step 4: Simplify right side
    328,188.42x = 96,826,395,475.10
  5. Step 5: Solve for x
    x = 96,826,395,475.10/328,188.42
  6. Step 6: Final answer
    x = 295,032.94

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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.