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Finding the Fourth Proportional to 584,613.20, 807,540.79 and 470,322.32

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Solution

The fourth proportional to 584,613.20, 807,540.79 and 470,322.32 is: 649,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,613.20 : 807,540.79 = 470,322.32 : x
  2. Step 2: Convert to fraction form
    584,613.20/807,540.79 = 470,322.32/x
  3. Step 3: Cross multiply
    584,613.20x = 807,540.79 × 470,322.32
  4. Step 4: Simplify right side
    584,613.20x = 379,804,460,329.40
  5. Step 5: Solve for x
    x = 379,804,460,329.40/584,613.20
  6. Step 6: Final answer
    x = 649,667.96

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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.