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Finding the Fourth Proportional to 461,535.10, 636,700.03 and 300,331.33

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Solution

The fourth proportional to 461,535.10, 636,700.03 and 300,331.33 is: 414,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,535.10 : 636,700.03 = 300,331.33 : x
  2. Step 2: Convert to fraction form
    461,535.10/636,700.03 = 300,331.33/x
  3. Step 3: Cross multiply
    461,535.10x = 636,700.03 × 300,331.33
  4. Step 4: Simplify right side
    461,535.10x = 191,220,966,820.94
  5. Step 5: Solve for x
    x = 191,220,966,820.94/461,535.10
  6. Step 6: Final answer
    x = 414,315.11

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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.