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Finding the Fourth Proportional to 345,483.66, 476,549.28 and 237,866.79

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Solution

The fourth proportional to 345,483.66, 476,549.28 and 237,866.79 is: 328,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,483.66 : 476,549.28 = 237,866.79 : x
  2. Step 2: Convert to fraction form
    345,483.66/476,549.28 = 237,866.79/x
  3. Step 3: Cross multiply
    345,483.66x = 476,549.28 × 237,866.79
  4. Step 4: Simplify right side
    345,483.66x = 113,355,247,510.41
  5. Step 5: Solve for x
    x = 113,355,247,510.41/345,483.66
  6. Step 6: Final answer
    x = 328,105.96

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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.