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Finding the Fourth Proportional to 577,253.20, 865,899.60 and 177,890.80

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Solution

The fourth proportional to 577,253.20, 865,899.60 and 177,890.80 is: 266,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,253.20 : 865,899.60 = 177,890.80 : x
  2. Step 2: Convert to fraction form
    577,253.20/865,899.60 = 177,890.80/x
  3. Step 3: Cross multiply
    577,253.20x = 865,899.60 × 177,890.80
  4. Step 4: Simplify right side
    577,253.20x = 154,035,572,563.68
  5. Step 5: Solve for x
    x = 154,035,572,563.68/577,253.20
  6. Step 6: Final answer
    x = 266,842.30

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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.