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Finding the Fourth Proportional to 645,699.96, 968,554.80 and 224,975.16

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Solution

The fourth proportional to 645,699.96, 968,554.80 and 224,975.16 is: 337,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,699.96 : 968,554.80 = 224,975.16 : x
  2. Step 2: Convert to fraction form
    645,699.96/968,554.80 = 224,975.16/x
  3. Step 3: Cross multiply
    645,699.96x = 968,554.80 × 224,975.16
  4. Step 4: Simplify right side
    645,699.96x = 217,900,771,098.77
  5. Step 5: Solve for x
    x = 217,900,771,098.77/645,699.96
  6. Step 6: Final answer
    x = 337,464.43

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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.