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Finding the Fourth Proportional to 614,368.70, 921,552.26 and 165,089.58

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Solution

The fourth proportional to 614,368.70, 921,552.26 and 165,089.58 is: 247,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,368.70 : 921,552.26 = 165,089.58 : x
  2. Step 2: Convert to fraction form
    614,368.70/921,552.26 = 165,089.58/x
  3. Step 3: Cross multiply
    614,368.70x = 921,552.26 × 165,089.58
  4. Step 4: Simplify right side
    614,368.70x = 152,138,671,502.34
  5. Step 5: Solve for x
    x = 152,138,671,502.34/614,368.70
  6. Step 6: Final answer
    x = 247,634.15

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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.