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Finding the Fourth Proportional to 522,774.88, 782,899.28 and 297,452.72

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Solution

The fourth proportional to 522,774.88, 782,899.28 and 297,452.72 is: 445,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,774.88 : 782,899.28 = 297,452.72 : x
  2. Step 2: Convert to fraction form
    522,774.88/782,899.28 = 297,452.72/x
  3. Step 3: Cross multiply
    522,774.88x = 782,899.28 × 297,452.72
  4. Step 4: Simplify right side
    522,774.88x = 232,875,520,322.04
  5. Step 5: Solve for x
    x = 232,875,520,322.04/522,774.88
  6. Step 6: Final answer
    x = 445,460.43

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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.