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Finding the Fourth Proportional to 535,316.80, 802,976.64 and 180,580

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Solution

The fourth proportional to 535,316.80, 802,976.64 and 180,580 is: 270,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,316.80 : 802,976.64 = 180,580 : x
  2. Step 2: Convert to fraction form
    535,316.80/802,976.64 = 180,580/x
  3. Step 3: Cross multiply
    535,316.80x = 802,976.64 × 180,580
  4. Step 4: Simplify right side
    535,316.80x = 145,001,521,651.20
  5. Step 5: Solve for x
    x = 145,001,521,651.20/535,316.80
  6. Step 6: Final answer
    x = 270,870.49

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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.