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Finding the Fourth Proportional to 368,166.79, 508,060.02 and 207,017.70

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Solution

The fourth proportional to 368,166.79, 508,060.02 and 207,017.70 is: 285,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,166.79 : 508,060.02 = 207,017.70 : x
  2. Step 2: Convert to fraction form
    368,166.79/508,060.02 = 207,017.70/x
  3. Step 3: Cross multiply
    368,166.79x = 508,060.02 × 207,017.70
  4. Step 4: Simplify right side
    368,166.79x = 105,177,416,802.35
  5. Step 5: Solve for x
    x = 105,177,416,802.35/368,166.79
  6. Step 6: Final answer
    x = 285,678.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.