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Finding the Fourth Proportional to 346,810.60, 520,313.10 and 169,323.40

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Solution

The fourth proportional to 346,810.60, 520,313.10 and 169,323.40 is: 254,032.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,810.60 : 520,313.10 = 169,323.40 : x
  2. Step 2: Convert to fraction form
    346,810.60/520,313.10 = 169,323.40/x
  3. Step 3: Cross multiply
    346,810.60x = 520,313.10 × 169,323.40
  4. Step 4: Simplify right side
    346,810.60x = 88,101,183,156.54
  5. Step 5: Solve for x
    x = 88,101,183,156.54/346,810.60
  6. Step 6: Final answer
    x = 254,032.56

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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.