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Finding the Fourth Proportional to 468,570.80, 646,613.88 and 264,630.08

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Solution

The fourth proportional to 468,570.80, 646,613.88 and 264,630.08 is: 365,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,570.80 : 646,613.88 = 264,630.08 : x
  2. Step 2: Convert to fraction form
    468,570.80/646,613.88 = 264,630.08/x
  3. Step 3: Cross multiply
    468,570.80x = 646,613.88 × 264,630.08
  4. Step 4: Simplify right side
    468,570.80x = 171,113,482,793.51
  5. Step 5: Solve for x
    x = 171,113,482,793.51/468,570.80
  6. Step 6: Final answer
    x = 365,181.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.