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Finding the Fourth Proportional to 571,599.48, 788,846.94 and 316,974.36

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Solution

The fourth proportional to 571,599.48, 788,846.94 and 316,974.36 is: 437,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,599.48 : 788,846.94 = 316,974.36 : x
  2. Step 2: Convert to fraction form
    571,599.48/788,846.94 = 316,974.36/x
  3. Step 3: Cross multiply
    571,599.48x = 788,846.94 × 316,974.36
  4. Step 4: Simplify right side
    571,599.48x = 250,044,253,944.46
  5. Step 5: Solve for x
    x = 250,044,253,944.46/571,599.48
  6. Step 6: Final answer
    x = 437,446.61

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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.