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Finding the Fourth Proportional to 476,814.79, 658,001.65 and 261,950.23

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Solution

The fourth proportional to 476,814.79, 658,001.65 and 261,950.23 is: 361,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,814.79 : 658,001.65 = 261,950.23 : x
  2. Step 2: Convert to fraction form
    476,814.79/658,001.65 = 261,950.23/x
  3. Step 3: Cross multiply
    476,814.79x = 658,001.65 × 261,950.23
  4. Step 4: Simplify right side
    476,814.79x = 172,363,683,557.88
  5. Step 5: Solve for x
    x = 172,363,683,557.88/476,814.79
  6. Step 6: Final answer
    x = 361,489.80

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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.