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Finding the Fourth Proportional to 461,079.04, 636,409.60 and 300,375.04

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Solution

The fourth proportional to 461,079.04, 636,409.60 and 300,375.04 is: 414,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,079.04 : 636,409.60 = 300,375.04 : x
  2. Step 2: Convert to fraction form
    461,079.04/636,409.60 = 300,375.04/x
  3. Step 3: Cross multiply
    461,079.04x = 636,409.60 × 300,375.04
  4. Step 4: Simplify right side
    461,079.04x = 191,161,559,056.38
  5. Step 5: Solve for x
    x = 191,161,559,056.38/461,079.04
  6. Step 6: Final answer
    x = 414,596.07

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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.