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Finding the Fourth Proportional to 328,406.24, 453,208.49 and 183,210.90

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Solution

The fourth proportional to 328,406.24, 453,208.49 and 183,210.90 is: 252,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,406.24 : 453,208.49 = 183,210.90 : x
  2. Step 2: Convert to fraction form
    328,406.24/453,208.49 = 183,210.90/x
  3. Step 3: Cross multiply
    328,406.24x = 453,208.49 × 183,210.90
  4. Step 4: Simplify right side
    328,406.24x = 83,032,734,424.49
  5. Step 5: Solve for x
    x = 83,032,734,424.49/328,406.24
  6. Step 6: Final answer
    x = 252,835.44

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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.