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Finding the Fourth Proportional to 510,695.55, 766,207.35 and 226,276.20

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Solution

The fourth proportional to 510,695.55, 766,207.35 and 226,276.20 is: 339,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,695.55 : 766,207.35 = 226,276.20 : x
  2. Step 2: Convert to fraction form
    510,695.55/766,207.35 = 226,276.20/x
  3. Step 3: Cross multiply
    510,695.55x = 766,207.35 × 226,276.20
  4. Step 4: Simplify right side
    510,695.55x = 173,374,487,570.07
  5. Step 5: Solve for x
    x = 173,374,487,570.07/510,695.55
  6. Step 6: Final answer
    x = 339,486.98

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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.