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Finding the Fourth Proportional to 647,950.69, 971,860.40 and 174,683.89

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Solution

The fourth proportional to 647,950.69, 971,860.40 and 174,683.89 is: 262,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,950.69 : 971,860.40 = 174,683.89 : x
  2. Step 2: Convert to fraction form
    647,950.69/971,860.40 = 174,683.89/x
  3. Step 3: Cross multiply
    647,950.69x = 971,860.40 × 174,683.89
  4. Step 4: Simplify right side
    647,950.69x = 169,768,350,349.65
  5. Step 5: Solve for x
    x = 169,768,350,349.65/647,950.69
  6. Step 6: Final answer
    x = 262,008.13

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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.