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Finding the Fourth Proportional to 364,689.34, 502,668.96 and 243,786.52

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Solution

The fourth proportional to 364,689.34, 502,668.96 and 243,786.52 is: 336,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,689.34 : 502,668.96 = 243,786.52 : x
  2. Step 2: Convert to fraction form
    364,689.34/502,668.96 = 243,786.52/x
  3. Step 3: Cross multiply
    364,689.34x = 502,668.96 × 243,786.52
  4. Step 4: Simplify right side
    364,689.34x = 122,543,913,671.21
  5. Step 5: Solve for x
    x = 122,543,913,671.21/364,689.34
  6. Step 6: Final answer
    x = 336,022.74

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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.