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Finding the Fourth Proportional to 358,312.71, 494,675.48 and 237,616.94

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Solution

The fourth proportional to 358,312.71, 494,675.48 and 237,616.94 is: 328,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,312.71 : 494,675.48 = 237,616.94 : x
  2. Step 2: Convert to fraction form
    358,312.71/494,675.48 = 237,616.94/x
  3. Step 3: Cross multiply
    358,312.71x = 494,675.48 × 237,616.94
  4. Step 4: Simplify right side
    358,312.71x = 117,543,271,971.30
  5. Step 5: Solve for x
    x = 117,543,271,971.30/358,312.71
  6. Step 6: Final answer
    x = 328,046.62

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1.5x scale

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.