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Finding the Fourth Proportional to 458,855.79, 633,296.85 and 382,253.55

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Solution

The fourth proportional to 458,855.79, 633,296.85 and 382,253.55 is: 527,573.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,855.79 : 633,296.85 = 382,253.55 : x
  2. Step 2: Convert to fraction form
    458,855.79/633,296.85 = 382,253.55/x
  3. Step 3: Cross multiply
    458,855.79x = 633,296.85 × 382,253.55
  4. Step 4: Simplify right side
    458,855.79x = 242,079,969,116.32
  5. Step 5: Solve for x
    x = 242,079,969,116.32/458,855.79
  6. Step 6: Final answer
    x = 527,573.09

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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.