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Finding the Fourth Proportional to 675,516.90, 932,121.25 and 403,527.06

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Solution

The fourth proportional to 675,516.90, 932,121.25 and 403,527.06 is: 556,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,516.90 : 932,121.25 = 403,527.06 : x
  2. Step 2: Convert to fraction form
    675,516.90/932,121.25 = 403,527.06/x
  3. Step 3: Cross multiply
    675,516.90x = 932,121.25 × 403,527.06
  4. Step 4: Simplify right side
    675,516.90x = 376,136,147,576.03
  5. Step 5: Solve for x
    x = 376,136,147,576.03/675,516.90
  6. Step 6: Final answer
    x = 556,812.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.