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Finding the Fourth Proportional to 575,284.60, 863,051.46 and 220,298.64

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Solution

The fourth proportional to 575,284.60, 863,051.46 and 220,298.64 is: 330,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,284.60 : 863,051.46 = 220,298.64 : x
  2. Step 2: Convert to fraction form
    575,284.60/863,051.46 = 220,298.64/x
  3. Step 3: Cross multiply
    575,284.60x = 863,051.46 × 220,298.64
  4. Step 4: Simplify right side
    575,284.60x = 190,129,062,888.01
  5. Step 5: Solve for x
    x = 190,129,062,888.01/575,284.60
  6. Step 6: Final answer
    x = 330,495.66

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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.