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Finding the Fourth Proportional to 440,449.95, 607,810.57 and 256,676.74

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Solution

The fourth proportional to 440,449.95, 607,810.57 and 256,676.74 is: 354,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,449.95 : 607,810.57 = 256,676.74 : x
  2. Step 2: Convert to fraction form
    440,449.95/607,810.57 = 256,676.74/x
  3. Step 3: Cross multiply
    440,449.95x = 607,810.57 × 256,676.74
  4. Step 4: Simplify right side
    440,449.95x = 156,010,835,645.14
  5. Step 5: Solve for x
    x = 156,010,835,645.14/440,449.95
  6. Step 6: Final answer
    x = 354,207.86

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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.