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Finding the Fourth Proportional to 576,394.76, 795,426.98 and 318,267.39

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Solution

The fourth proportional to 576,394.76, 795,426.98 and 318,267.39 is: 439,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,394.76 : 795,426.98 = 318,267.39 : x
  2. Step 2: Convert to fraction form
    576,394.76/795,426.98 = 318,267.39/x
  3. Step 3: Cross multiply
    576,394.76x = 795,426.98 × 318,267.39
  4. Step 4: Simplify right side
    576,394.76x = 253,158,467,268.85
  5. Step 5: Solve for x
    x = 253,158,467,268.85/576,394.76
  6. Step 6: Final answer
    x = 439,210.22

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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.