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Finding the Fourth Proportional to 571,185.96, 788,246.76 and 313,045.80

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Solution

The fourth proportional to 571,185.96, 788,246.76 and 313,045.80 is: 432,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,185.96 : 788,246.76 = 313,045.80 : x
  2. Step 2: Convert to fraction form
    571,185.96/788,246.76 = 313,045.80/x
  3. Step 3: Cross multiply
    571,185.96x = 788,246.76 × 313,045.80
  4. Step 4: Simplify right side
    571,185.96x = 246,757,337,581.61
  5. Step 5: Solve for x
    x = 246,757,337,581.61/571,185.96
  6. Step 6: Final answer
    x = 432,008.76

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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.