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Finding the Fourth Proportional to 424,548.96, 636,592.86 and 210,848.01

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Solution

The fourth proportional to 424,548.96, 636,592.86 and 210,848.01 is: 316,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,548.96 : 636,592.86 = 210,848.01 : x
  2. Step 2: Convert to fraction form
    424,548.96/636,592.86 = 210,848.01/x
  3. Step 3: Cross multiply
    424,548.96x = 636,592.86 × 210,848.01
  4. Step 4: Simplify right side
    424,548.96x = 134,224,337,711.21
  5. Step 5: Solve for x
    x = 134,224,337,711.21/424,548.96
  6. Step 6: Final answer
    x = 316,157.50

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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.