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Finding the Fourth Proportional to 615,347.60, 923,129.73 and 210,444.62

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Solution

The fourth proportional to 615,347.60, 923,129.73 and 210,444.62 is: 315,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,347.60 : 923,129.73 = 210,444.62 : x
  2. Step 2: Convert to fraction form
    615,347.60/923,129.73 = 210,444.62/x
  3. Step 3: Cross multiply
    615,347.60x = 923,129.73 × 210,444.62
  4. Step 4: Simplify right side
    615,347.60x = 194,267,680,624.90
  5. Step 5: Solve for x
    x = 194,267,680,624.90/615,347.60
  6. Step 6: Final answer
    x = 315,703.97

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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.