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Finding the Fourth Proportional to 328,214.76, 452,762.78 and 226,064.53

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Solution

The fourth proportional to 328,214.76, 452,762.78 and 226,064.53 is: 311,849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,214.76 : 452,762.78 = 226,064.53 : x
  2. Step 2: Convert to fraction form
    328,214.76/452,762.78 = 226,064.53/x
  3. Step 3: Cross multiply
    328,214.76x = 452,762.78 × 226,064.53
  4. Step 4: Simplify right side
    328,214.76x = 102,353,605,062.19
  5. Step 5: Solve for x
    x = 102,353,605,062.19/328,214.76
  6. Step 6: Final answer
    x = 311,849.49

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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.