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Finding the Fourth Proportional to 659,864.25, 910,613.27 and 358,058.25

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Solution

The fourth proportional to 659,864.25, 910,613.27 and 358,058.25 is: 494,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,864.25 : 910,613.27 = 358,058.25 : x
  2. Step 2: Convert to fraction form
    659,864.25/910,613.27 = 358,058.25/x
  3. Step 3: Cross multiply
    659,864.25x = 910,613.27 × 358,058.25
  4. Step 4: Simplify right side
    659,864.25x = 326,052,594,778.12
  5. Step 5: Solve for x
    x = 326,052,594,778.12/659,864.25
  6. Step 6: Final answer
    x = 494,120.71

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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.