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Finding the Fourth Proportional to 475,415.64, 711,516.06 and 462,621.78

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Solution

The fourth proportional to 475,415.64, 711,516.06 and 462,621.78 is: 692,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,415.64 : 711,516.06 = 462,621.78 : x
  2. Step 2: Convert to fraction form
    475,415.64/711,516.06 = 462,621.78/x
  3. Step 3: Cross multiply
    475,415.64x = 711,516.06 × 462,621.78
  4. Step 4: Simplify right side
    475,415.64x = 329,162,826,175.79
  5. Step 5: Solve for x
    x = 329,162,826,175.79/475,415.64
  6. Step 6: Final answer
    x = 692,368.53

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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.