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Finding the Fourth Proportional to 328,984.48, 454,019.56 and 185,692.24

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Solution

The fourth proportional to 328,984.48, 454,019.56 and 185,692.24 is: 256,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,984.48 : 454,019.56 = 185,692.24 : x
  2. Step 2: Convert to fraction form
    328,984.48/454,019.56 = 185,692.24/x
  3. Step 3: Cross multiply
    328,984.48x = 454,019.56 × 185,692.24
  4. Step 4: Simplify right side
    328,984.48x = 84,307,909,100.21
  5. Step 5: Solve for x
    x = 84,307,909,100.21/328,984.48
  6. Step 6: Final answer
    x = 256,267.13

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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.