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Finding the Fourth Proportional to 326,320.83, 449,483.72 and 230,663.07

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Solution

The fourth proportional to 326,320.83, 449,483.72 and 230,663.07 is: 317,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,320.83 : 449,483.72 = 230,663.07 : x
  2. Step 2: Convert to fraction form
    326,320.83/449,483.72 = 230,663.07/x
  3. Step 3: Cross multiply
    326,320.83x = 449,483.72 × 230,663.07
  4. Step 4: Simplify right side
    326,320.83x = 103,679,293,616.91
  5. Step 5: Solve for x
    x = 103,679,293,616.91/326,320.83
  6. Step 6: Final answer
    x = 317,721.96

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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.