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Finding the Fourth Proportional to 430,763.85, 594,509.85 and 247,074.08

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Solution

The fourth proportional to 430,763.85, 594,509.85 and 247,074.08 is: 340,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,763.85 : 594,509.85 = 247,074.08 : x
  2. Step 2: Convert to fraction form
    430,763.85/594,509.85 = 247,074.08/x
  3. Step 3: Cross multiply
    430,763.85x = 594,509.85 × 247,074.08
  4. Step 4: Simplify right side
    430,763.85x = 146,887,970,649.45
  5. Step 5: Solve for x
    x = 146,887,970,649.45/430,763.85
  6. Step 6: Final answer
    x = 340,994.19

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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.