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Finding the Fourth Proportional to 590,549.80, 883,491.90 and 512,530.60

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Solution

The fourth proportional to 590,549.80, 883,491.90 and 512,530.60 is: 766,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,549.80 : 883,491.90 = 512,530.60 : x
  2. Step 2: Convert to fraction form
    590,549.80/883,491.90 = 512,530.60/x
  3. Step 3: Cross multiply
    590,549.80x = 883,491.90 × 512,530.60
  4. Step 4: Simplify right side
    590,549.80x = 452,816,633,602.14
  5. Step 5: Solve for x
    x = 452,816,633,602.14/590,549.80
  6. Step 6: Final answer
    x = 766,771.29

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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.