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Finding the Fourth Proportional to 602,408.60, 903,619.38 and 181,688.12

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Solution

The fourth proportional to 602,408.60, 903,619.38 and 181,688.12 is: 272,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,408.60 : 903,619.38 = 181,688.12 : x
  2. Step 2: Convert to fraction form
    602,408.60/903,619.38 = 181,688.12/x
  3. Step 3: Cross multiply
    602,408.60x = 903,619.38 × 181,688.12
  4. Step 4: Simplify right side
    602,408.60x = 164,176,906,347.77
  5. Step 5: Solve for x
    x = 164,176,906,347.77/602,408.60
  6. Step 6: Final answer
    x = 272,534.13

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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.