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Finding the Fourth Proportional to 590,619.80, 885,929.70 and 587,120.60

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Solution

The fourth proportional to 590,619.80, 885,929.70 and 587,120.60 is: 880,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,619.80 : 885,929.70 = 587,120.60 : x
  2. Step 2: Convert to fraction form
    590,619.80/885,929.70 = 587,120.60/x
  3. Step 3: Cross multiply
    590,619.80x = 885,929.70 × 587,120.60
  4. Step 4: Simplify right side
    590,619.80x = 520,147,577,021.82
  5. Step 5: Solve for x
    x = 520,147,577,021.82/590,619.80
  6. Step 6: Final answer
    x = 880,680.90

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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.