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Finding the Fourth Proportional to 535,671.17, 803,509.22 and 180,688.31

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Solution

The fourth proportional to 535,671.17, 803,509.22 and 180,688.31 is: 271,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,671.17 : 803,509.22 = 180,688.31 : x
  2. Step 2: Convert to fraction form
    535,671.17/803,509.22 = 180,688.31/x
  3. Step 3: Cross multiply
    535,671.17x = 803,509.22 × 180,688.31
  4. Step 4: Simplify right side
    535,671.17x = 145,184,719,465.39
  5. Step 5: Solve for x
    x = 145,184,719,465.39/535,671.17
  6. Step 6: Final answer
    x = 271,033.29

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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.