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Finding the Fourth Proportional to 473,910.76, 653,996.86 and 259,051.72

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Solution

The fourth proportional to 473,910.76, 653,996.86 and 259,051.72 is: 357,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,910.76 : 653,996.86 = 259,051.72 : x
  2. Step 2: Convert to fraction form
    473,910.76/653,996.86 = 259,051.72/x
  3. Step 3: Cross multiply
    473,910.76x = 653,996.86 × 259,051.72
  4. Step 4: Simplify right side
    473,910.76x = 169,419,011,457.60
  5. Step 5: Solve for x
    x = 169,419,011,457.60/473,910.76
  6. Step 6: Final answer
    x = 357,491.38

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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.