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Finding the Fourth Proportional to 514,825.33, 710,429.92 and 300,000.37

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Solution

The fourth proportional to 514,825.33, 710,429.92 and 300,000.37 is: 413,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,825.33 : 710,429.92 = 300,000.37 : x
  2. Step 2: Convert to fraction form
    514,825.33/710,429.92 = 300,000.37/x
  3. Step 3: Cross multiply
    514,825.33x = 710,429.92 × 300,000.37
  4. Step 4: Simplify right side
    514,825.33x = 213,129,238,859.07
  5. Step 5: Solve for x
    x = 213,129,238,859.07/514,825.33
  6. Step 6: Final answer
    x = 413,983.59

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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.