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Finding the Fourth Proportional to 514,285.27, 768,300.47 and 332,893.06

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Solution

The fourth proportional to 514,285.27, 768,300.47 and 332,893.06 is: 497,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,285.27 : 768,300.47 = 332,893.06 : x
  2. Step 2: Convert to fraction form
    514,285.27/768,300.47 = 332,893.06/x
  3. Step 3: Cross multiply
    514,285.27x = 768,300.47 × 332,893.06
  4. Step 4: Simplify right side
    514,285.27x = 255,761,893,993.39
  5. Step 5: Solve for x
    x = 255,761,893,993.39/514,285.27
  6. Step 6: Final answer
    x = 497,315.23

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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.