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Finding the Fourth Proportional to 624,299.80, 936,104.10 and 249,899.80

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Solution

The fourth proportional to 624,299.80, 936,104.10 and 249,899.80 is: 374,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,299.80 : 936,104.10 = 249,899.80 : x
  2. Step 2: Convert to fraction form
    624,299.80/936,104.10 = 249,899.80/x
  3. Step 3: Cross multiply
    624,299.80x = 936,104.10 × 249,899.80
  4. Step 4: Simplify right side
    624,299.80x = 233,932,227,369.18
  5. Step 5: Solve for x
    x = 233,932,227,369.18/624,299.80
  6. Step 6: Final answer
    x = 374,711.36

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Similar ratio
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1.5x scale

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.