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Finding the Fourth Proportional to 571,434.84, 788,660.24 and 353,713.32

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Solution

The fourth proportional to 571,434.84, 788,660.24 and 353,713.32 is: 488,174.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,434.84 : 788,660.24 = 353,713.32 : x
  2. Step 2: Convert to fraction form
    571,434.84/788,660.24 = 353,713.32/x
  3. Step 3: Cross multiply
    571,434.84x = 788,660.24 × 353,713.32
  4. Step 4: Simplify right side
    571,434.84x = 278,959,630,073.83
  5. Step 5: Solve for x
    x = 278,959,630,073.83/571,434.84
  6. Step 6: Final answer
    x = 488,174.00

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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.