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Finding the Fourth Proportional to 575,283.67, 863,050.05 and 220,297.70

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Solution

The fourth proportional to 575,283.67, 863,050.05 and 220,297.70 is: 330,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,283.67 : 863,050.05 = 220,297.70 : x
  2. Step 2: Convert to fraction form
    575,283.67/863,050.05 = 220,297.70/x
  3. Step 3: Cross multiply
    575,283.67x = 863,050.05 × 220,297.70
  4. Step 4: Simplify right side
    575,283.67x = 190,127,943,157.51
  5. Step 5: Solve for x
    x = 190,127,943,157.51/575,283.67
  6. Step 6: Final answer
    x = 330,494.25

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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.