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Finding the Fourth Proportional to 575,282.10, 863,047.71 and 220,296.14

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Solution

The fourth proportional to 575,282.10, 863,047.71 and 220,296.14 is: 330,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,282.10 : 863,047.71 = 220,296.14 : x
  2. Step 2: Convert to fraction form
    575,282.10/863,047.71 = 220,296.14/x
  3. Step 3: Cross multiply
    575,282.10x = 863,047.71 × 220,296.14
  4. Step 4: Simplify right side
    575,282.10x = 190,126,074,833.60
  5. Step 5: Solve for x
    x = 190,126,074,833.60/575,282.10
  6. Step 6: Final answer
    x = 330,491.90

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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.