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Finding the Fourth Proportional to 467,582.31, 645,263.31 and 252,722.39

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Solution

The fourth proportional to 467,582.31, 645,263.31 and 252,722.39 is: 348,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,582.31 : 645,263.31 = 252,722.39 : x
  2. Step 2: Convert to fraction form
    467,582.31/645,263.31 = 252,722.39/x
  3. Step 3: Cross multiply
    467,582.31x = 645,263.31 × 252,722.39
  4. Step 4: Simplify right side
    467,582.31x = 163,072,482,656.19
  5. Step 5: Solve for x
    x = 163,072,482,656.19/467,582.31
  6. Step 6: Final answer
    x = 348,756.74

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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.