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Finding the Fourth Proportional to 510,957.63, 766,549.04 and 155,999.43

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Solution

The fourth proportional to 510,957.63, 766,549.04 and 155,999.43 is: 234,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,957.63 : 766,549.04 = 155,999.43 : x
  2. Step 2: Convert to fraction form
    510,957.63/766,549.04 = 155,999.43/x
  3. Step 3: Cross multiply
    510,957.63x = 766,549.04 × 155,999.43
  4. Step 4: Simplify right side
    510,957.63x = 119,581,212,527.05
  5. Step 5: Solve for x
    x = 119,581,212,527.05/510,957.63
  6. Step 6: Final answer
    x = 234,033.52

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1.5x scale

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.