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Finding the Fourth Proportional to 609,313.36, 840,851.76 and 341,041.36

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Solution

The fourth proportional to 609,313.36, 840,851.76 and 341,041.36 is: 470,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,313.36 : 840,851.76 = 341,041.36 : x
  2. Step 2: Convert to fraction form
    609,313.36/840,851.76 = 341,041.36/x
  3. Step 3: Cross multiply
    609,313.36x = 840,851.76 × 341,041.36
  4. Step 4: Simplify right side
    609,313.36x = 286,765,227,788.79
  5. Step 5: Solve for x
    x = 286,765,227,788.79/609,313.36
  6. Step 6: Final answer
    x = 470,636.70

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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.