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Finding the Fourth Proportional to 423,596.39, 584,624.18 and 253,846.31

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Solution

The fourth proportional to 423,596.39, 584,624.18 and 253,846.31 is: 350,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,596.39 : 584,624.18 = 253,846.31 : x
  2. Step 2: Convert to fraction form
    423,596.39/584,624.18 = 253,846.31/x
  3. Step 3: Cross multiply
    423,596.39x = 584,624.18 × 253,846.31
  4. Step 4: Simplify right side
    423,596.39x = 148,404,688,541.27
  5. Step 5: Solve for x
    x = 148,404,688,541.27/423,596.39
  6. Step 6: Final answer
    x = 350,344.56

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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.