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Finding the Fourth Proportional to 423,490.57, 632,189.62 and 362,866.24

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Solution

The fourth proportional to 423,490.57, 632,189.62 and 362,866.24 is: 541,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,490.57 : 632,189.62 = 362,866.24 : x
  2. Step 2: Convert to fraction form
    423,490.57/632,189.62 = 362,866.24/x
  3. Step 3: Cross multiply
    423,490.57x = 632,189.62 × 362,866.24
  4. Step 4: Simplify right side
    423,490.57x = 229,400,270,376.43
  5. Step 5: Solve for x
    x = 229,400,270,376.43/423,490.57
  6. Step 6: Final answer
    x = 541,689.21

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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.