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Finding the Fourth Proportional to 602,607.20, 903,963.33 and 197,678.00

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Solution

The fourth proportional to 602,607.20, 903,963.33 and 197,678.00 is: 296,534.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,607.20 : 903,963.33 = 197,678.00 : x
  2. Step 2: Convert to fraction form
    602,607.20/903,963.33 = 197,678.00/x
  3. Step 3: Cross multiply
    602,607.20x = 903,963.33 × 197,678.00
  4. Step 4: Simplify right side
    602,607.20x = 178,693,658,627.92
  5. Step 5: Solve for x
    x = 178,693,658,627.92/602,607.20
  6. Step 6: Final answer
    x = 296,534.23

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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.