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Finding the Fourth Proportional to 586,096.65, 879,106.10 and 266,172.57

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Solution

The fourth proportional to 586,096.65, 879,106.10 and 266,172.57 is: 399,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,096.65 : 879,106.10 = 266,172.57 : x
  2. Step 2: Convert to fraction form
    586,096.65/879,106.10 = 266,172.57/x
  3. Step 3: Cross multiply
    586,096.65x = 879,106.10 × 266,172.57
  4. Step 4: Simplify right side
    586,096.65x = 233,993,928,608.81
  5. Step 5: Solve for x
    x = 233,993,928,608.81/586,096.65
  6. Step 6: Final answer
    x = 399,241.20

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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.