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Finding the Fourth Proportional to 623,768.41, 935,767.90 and 197,411.68

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Solution

The fourth proportional to 623,768.41, 935,767.90 and 197,411.68 is: 296,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,768.41 : 935,767.90 = 197,411.68 : x
  2. Step 2: Convert to fraction form
    623,768.41/935,767.90 = 197,411.68/x
  3. Step 3: Cross multiply
    623,768.41x = 935,767.90 × 197,411.68
  4. Step 4: Simplify right side
    623,768.41x = 184,731,508,550.23
  5. Step 5: Solve for x
    x = 184,731,508,550.23/623,768.41
  6. Step 6: Final answer
    x = 296,154.00

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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.