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Finding the Fourth Proportional to 595,380.80, 821,606.55 and 340,726.52

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Solution

The fourth proportional to 595,380.80, 821,606.55 and 340,726.52 is: 470,191.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,380.80 : 821,606.55 = 340,726.52 : x
  2. Step 2: Convert to fraction form
    595,380.80/821,606.55 = 340,726.52/x
  3. Step 3: Cross multiply
    595,380.80x = 821,606.55 × 340,726.52
  4. Step 4: Simplify right side
    595,380.80x = 279,943,140,590.71
  5. Step 5: Solve for x
    x = 279,943,140,590.71/595,380.80
  6. Step 6: Final answer
    x = 470,191.75

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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.