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Finding the Fourth Proportional to 614,368.63, 921,552.15 and 165,089.51

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Solution

The fourth proportional to 614,368.63, 921,552.15 and 165,089.51 is: 247,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,368.63 : 921,552.15 = 165,089.51 : x
  2. Step 2: Convert to fraction form
    614,368.63/921,552.15 = 165,089.51/x
  3. Step 3: Cross multiply
    614,368.63x = 921,552.15 × 165,089.51
  4. Step 4: Simplify right side
    614,368.63x = 152,138,588,529.88
  5. Step 5: Solve for x
    x = 152,138,588,529.88/614,368.63
  6. Step 6: Final answer
    x = 247,634.04

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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.