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Finding the Fourth Proportional to 228,455.39, 342,368.70 and 194,545.95

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Solution

The fourth proportional to 228,455.39, 342,368.70 and 194,545.95 is: 291,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,455.39 : 342,368.70 = 194,545.95 : x
  2. Step 2: Convert to fraction form
    228,455.39/342,368.70 = 194,545.95/x
  3. Step 3: Cross multiply
    228,455.39x = 342,368.70 × 194,545.95
  4. Step 4: Simplify right side
    228,455.39x = 66,606,443,019.04
  5. Step 5: Solve for x
    x = 66,606,443,019.04/228,455.39
  6. Step 6: Final answer
    x = 291,551.21

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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.