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Finding the Fourth Proportional to 423,488.39, 632,186.36 and 362,864.05

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Solution

The fourth proportional to 423,488.39, 632,186.36 and 362,864.05 is: 541,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,488.39 : 632,186.36 = 362,864.05 : x
  2. Step 2: Convert to fraction form
    423,488.39/632,186.36 = 362,864.05/x
  3. Step 3: Cross multiply
    423,488.39x = 632,186.36 × 362,864.05
  4. Step 4: Simplify right side
    423,488.39x = 229,397,700,910.31
  5. Step 5: Solve for x
    x = 229,397,700,910.31/423,488.39
  6. Step 6: Final answer
    x = 541,685.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.