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Finding the Fourth Proportional to 316,436.50, 474,732.51 and 94,820.50

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Solution

The fourth proportional to 316,436.50, 474,732.51 and 94,820.50 is: 142,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,436.50 : 474,732.51 = 94,820.50 : x
  2. Step 2: Convert to fraction form
    316,436.50/474,732.51 = 94,820.50/x
  3. Step 3: Cross multiply
    316,436.50x = 474,732.51 × 94,820.50
  4. Step 4: Simplify right side
    316,436.50x = 45,014,373,964.46
  5. Step 5: Solve for x
    x = 45,014,373,964.46/316,436.50
  6. Step 6: Final answer
    x = 142,254.05

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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.