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Finding the Fourth Proportional to 369,323.70, 553,985.55 and 192,176.70

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Solution

The fourth proportional to 369,323.70, 553,985.55 and 192,176.70 is: 288,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,323.70 : 553,985.55 = 192,176.70 : x
  2. Step 2: Convert to fraction form
    369,323.70/553,985.55 = 192,176.70/x
  3. Step 3: Cross multiply
    369,323.70x = 553,985.55 × 192,176.70
  4. Step 4: Simplify right side
    369,323.70x = 106,463,114,846.69
  5. Step 5: Solve for x
    x = 106,463,114,846.69/369,323.70
  6. Step 6: Final answer
    x = 288,265.05

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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.