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Finding the Fourth Proportional to 594,811.68, 820,818 and 340,156.32

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Solution

The fourth proportional to 594,811.68, 820,818 and 340,156.32 is: 469,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,811.68 : 820,818 = 340,156.32 : x
  2. Step 2: Convert to fraction form
    594,811.68/820,818 = 340,156.32/x
  3. Step 3: Cross multiply
    594,811.68x = 820,818 × 340,156.32
  4. Step 4: Simplify right side
    594,811.68x = 279,206,430,269.76
  5. Step 5: Solve for x
    x = 279,206,430,269.76/594,811.68
  6. Step 6: Final answer
    x = 469,403.07

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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.