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Finding the Fourth Proportional to 575,683.93, 863,530.35 and 220,613.14

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Solution

The fourth proportional to 575,683.93, 863,530.35 and 220,613.14 is: 330,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,683.93 : 863,530.35 = 220,613.14 : x
  2. Step 2: Convert to fraction form
    575,683.93/863,530.35 = 220,613.14/x
  3. Step 3: Cross multiply
    575,683.93x = 863,530.35 × 220,613.14
  4. Step 4: Simplify right side
    575,683.93x = 190,506,141,998.80
  5. Step 5: Solve for x
    x = 190,506,141,998.80/575,683.93
  6. Step 6: Final answer
    x = 330,921.42

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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.