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Finding the Fourth Proportional to 514,261.83, 768,265.31 and 332,869.49

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Solution

The fourth proportional to 514,261.83, 768,265.31 and 332,869.49 is: 497,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,261.83 : 768,265.31 = 332,869.49 : x
  2. Step 2: Convert to fraction form
    514,261.83/768,265.31 = 332,869.49/x
  3. Step 3: Cross multiply
    514,261.83x = 768,265.31 × 332,869.49
  4. Step 4: Simplify right side
    514,261.83x = 255,732,078,083.07
  5. Step 5: Solve for x
    x = 255,732,078,083.07/514,261.83
  6. Step 6: Final answer
    x = 497,279.91

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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.