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Finding the Fourth Proportional to 461,571.47, 636,466.49 and 300,127.13

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Solution

The fourth proportional to 461,571.47, 636,466.49 and 300,127.13 is: 413,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,571.47 : 636,466.49 = 300,127.13 : x
  2. Step 2: Convert to fraction form
    461,571.47/636,466.49 = 300,127.13/x
  3. Step 3: Cross multiply
    461,571.47x = 636,466.49 × 300,127.13
  4. Step 4: Simplify right side
    461,571.47x = 191,020,856,301.91
  5. Step 5: Solve for x
    x = 191,020,856,301.91/461,571.47
  6. Step 6: Final answer
    x = 413,848.93

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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.