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Finding the Fourth Proportional to 602,607.95, 903,964.46 and 197,678.75

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Solution

The fourth proportional to 602,607.95, 903,964.46 and 197,678.75 is: 296,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,607.95 : 903,964.46 = 197,678.75 : x
  2. Step 2: Convert to fraction form
    602,607.95/903,964.46 = 197,678.75/x
  3. Step 3: Cross multiply
    602,607.95x = 903,964.46 × 197,678.75
  4. Step 4: Simplify right side
    602,607.95x = 178,694,558,989.01
  5. Step 5: Solve for x
    x = 178,694,558,989.01/602,607.95
  6. Step 6: Final answer
    x = 296,535.35

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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.