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Finding the Fourth Proportional to 417,966.32, 576,800.39 and 236,673.47

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Solution

The fourth proportional to 417,966.32, 576,800.39 and 236,673.47 is: 326,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,966.32 : 576,800.39 = 236,673.47 : x
  2. Step 2: Convert to fraction form
    417,966.32/576,800.39 = 236,673.47/x
  3. Step 3: Cross multiply
    417,966.32x = 576,800.39 × 236,673.47
  4. Step 4: Simplify right side
    417,966.32x = 136,513,349,798.65
  5. Step 5: Solve for x
    x = 136,513,349,798.65/417,966.32
  6. Step 6: Final answer
    x = 326,613.28

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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.