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Finding the Fourth Proportional to 571,359.36, 857,097.40 and 197,333.76

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Solution

The fourth proportional to 571,359.36, 857,097.40 and 197,333.76 is: 296,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,359.36 : 857,097.40 = 197,333.76 : x
  2. Step 2: Convert to fraction form
    571,359.36/857,097.40 = 197,333.76/x
  3. Step 3: Cross multiply
    571,359.36x = 857,097.40 × 197,333.76
  4. Step 4: Simplify right side
    571,359.36x = 169,134,252,628.22
  5. Step 5: Solve for x
    x = 169,134,252,628.22/571,359.36
  6. Step 6: Final answer
    x = 296,020.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.