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Finding the Fourth Proportional to 474,674.88, 711,511.74 and 324,875.10

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Solution

The fourth proportional to 474,674.88, 711,511.74 and 324,875.10 is: 486,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,674.88 : 711,511.74 = 324,875.10 : x
  2. Step 2: Convert to fraction form
    474,674.88/711,511.74 = 324,875.10/x
  3. Step 3: Cross multiply
    474,674.88x = 711,511.74 × 324,875.10
  4. Step 4: Simplify right side
    474,674.88x = 231,152,447,683.67
  5. Step 5: Solve for x
    x = 231,152,447,683.67/474,674.88
  6. Step 6: Final answer
    x = 486,970.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.