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Finding the Fourth Proportional to 583,246.38, 805,105.72 and 455,962.98

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Solution

The fourth proportional to 583,246.38, 805,105.72 and 455,962.98 is: 629,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,246.38 : 805,105.72 = 455,962.98 : x
  2. Step 2: Convert to fraction form
    583,246.38/805,105.72 = 455,962.98/x
  3. Step 3: Cross multiply
    583,246.38x = 805,105.72 × 455,962.98
  4. Step 4: Simplify right side
    583,246.38x = 367,098,403,306.25
  5. Step 5: Solve for x
    x = 367,098,403,306.25/583,246.38
  6. Step 6: Final answer
    x = 629,405.37

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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.