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Finding the Fourth Proportional to 535,398.04, 803,171.13 and 180,513.55

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Solution

The fourth proportional to 535,398.04, 803,171.13 and 180,513.55 is: 270,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,398.04 : 803,171.13 = 180,513.55 : x
  2. Step 2: Convert to fraction form
    535,398.04/803,171.13 = 180,513.55/x
  3. Step 3: Cross multiply
    535,398.04x = 803,171.13 × 180,513.55
  4. Step 4: Simplify right side
    535,398.04x = 144,983,271,933.81
  5. Step 5: Solve for x
    x = 144,983,271,933.81/535,398.04
  6. Step 6: Final answer
    x = 270,795.30

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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.