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Finding the Fourth Proportional to 609,273.12, 840,796.80 and 341,001.12

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Solution

The fourth proportional to 609,273.12, 840,796.80 and 341,001.12 is: 470,581.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,273.12 : 840,796.80 = 341,001.12 : x
  2. Step 2: Convert to fraction form
    609,273.12/840,796.80 = 341,001.12/x
  3. Step 3: Cross multiply
    609,273.12x = 840,796.80 × 341,001.12
  4. Step 4: Simplify right side
    609,273.12x = 286,712,650,492.42
  5. Step 5: Solve for x
    x = 286,712,650,492.42/609,273.12
  6. Step 6: Final answer
    x = 470,581.49

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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.