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Finding the Fourth Proportional to 575,283.96, 863,050.50 and 220,298.00

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Solution

The fourth proportional to 575,283.96, 863,050.50 and 220,298.00 is: 330,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,283.96 : 863,050.50 = 220,298.00 : x
  2. Step 2: Convert to fraction form
    575,283.96/863,050.50 = 220,298.00/x
  3. Step 3: Cross multiply
    575,283.96x = 863,050.50 × 220,298.00
  4. Step 4: Simplify right side
    575,283.96x = 190,128,294,733.75
  5. Step 5: Solve for x
    x = 190,128,294,733.75/575,283.96
  6. Step 6: Final answer
    x = 330,494.69

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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.