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Finding the Fourth Proportional to 328,545, 453,407.94 and 185,301.81

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Solution

The fourth proportional to 328,545, 453,407.94 and 185,301.81 is: 255,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,545 : 453,407.94 = 185,301.81 : x
  2. Step 2: Convert to fraction form
    328,545/453,407.94 = 185,301.81/x
  3. Step 3: Cross multiply
    328,545x = 453,407.94 × 185,301.81
  4. Step 4: Simplify right side
    328,545x = 84,017,311,950.37
  5. Step 5: Solve for x
    x = 84,017,311,950.37/328,545
  6. Step 6: Final answer
    x = 255,725.43

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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.