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Finding the Fourth Proportional to 571,655.04, 788,879.52 and 317,006.88

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Solution

The fourth proportional to 571,655.04, 788,879.52 and 317,006.88 is: 437,467.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,655.04 : 788,879.52 = 317,006.88 : x
  2. Step 2: Convert to fraction form
    571,655.04/788,879.52 = 317,006.88/x
  3. Step 3: Cross multiply
    571,655.04x = 788,879.52 × 317,006.88
  4. Step 4: Simplify right side
    571,655.04x = 250,080,235,331.10
  5. Step 5: Solve for x
    x = 250,080,235,331.10/571,655.04
  6. Step 6: Final answer
    x = 437,467.03

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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.