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Finding the Fourth Proportional to 522,573.21, 721,304.51 and 341,312.85

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Solution

The fourth proportional to 522,573.21, 721,304.51 and 341,312.85 is: 471,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,573.21 : 721,304.51 = 341,312.85 : x
  2. Step 2: Convert to fraction form
    522,573.21/721,304.51 = 341,312.85/x
  3. Step 3: Cross multiply
    522,573.21x = 721,304.51 × 341,312.85
  4. Step 4: Simplify right side
    522,573.21x = 246,190,496,319.39
  5. Step 5: Solve for x
    x = 246,190,496,319.39/522,573.21
  6. Step 6: Final answer
    x = 471,111.97

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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.