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Finding the Fourth Proportional to 328,506.64, 453,336.96 and 185,267.92

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Solution

The fourth proportional to 328,506.64, 453,336.96 and 185,267.92 is: 255,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,506.64 : 453,336.96 = 185,267.92 : x
  2. Step 2: Convert to fraction form
    328,506.64/453,336.96 = 185,267.92/x
  3. Step 3: Cross multiply
    328,506.64x = 453,336.96 × 185,267.92
  4. Step 4: Simplify right side
    328,506.64x = 83,988,795,638.32
  5. Step 5: Solve for x
    x = 83,988,795,638.32/328,506.64
  6. Step 6: Final answer
    x = 255,668.49

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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.