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Finding the Fourth Proportional to 346,762.51, 520,153.49 and 169,411.39

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Solution

The fourth proportional to 346,762.51, 520,153.49 and 169,411.39 is: 254,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,762.51 : 520,153.49 = 169,411.39 : x
  2. Step 2: Convert to fraction form
    346,762.51/520,153.49 = 169,411.39/x
  3. Step 3: Cross multiply
    346,762.51x = 520,153.49 × 169,411.39
  4. Step 4: Simplify right side
    346,762.51x = 88,119,925,754.25
  5. Step 5: Solve for x
    x = 88,119,925,754.25/346,762.51
  6. Step 6: Final answer
    x = 254,121.84

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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.