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Finding the Fourth Proportional to 328,952.49, 453,929.09 and 185,726.67

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Solution

The fourth proportional to 328,952.49, 453,929.09 and 185,726.67 is: 256,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,952.49 : 453,929.09 = 185,726.67 : x
  2. Step 2: Convert to fraction form
    328,952.49/453,929.09 = 185,726.67/x
  3. Step 3: Cross multiply
    328,952.49x = 453,929.09 × 185,726.67
  4. Step 4: Simplify right side
    328,952.49x = 84,306,738,301.83
  5. Step 5: Solve for x
    x = 84,306,738,301.83/328,952.49
  6. Step 6: Final answer
    x = 256,288.49

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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.