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Finding the Fourth Proportional to 536,290.56, 803,211.12 and 256,004.64

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Solution

The fourth proportional to 536,290.56, 803,211.12 and 256,004.64 is: 383,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,290.56 : 803,211.12 = 256,004.64 : x
  2. Step 2: Convert to fraction form
    536,290.56/803,211.12 = 256,004.64/x
  3. Step 3: Cross multiply
    536,290.56x = 803,211.12 × 256,004.64
  4. Step 4: Simplify right side
    536,290.56x = 205,625,773,619.60
  5. Step 5: Solve for x
    x = 205,625,773,619.60/536,290.56
  6. Step 6: Final answer
    x = 383,422.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.