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Finding the Fourth Proportional to 624,304.80, 936,457.20 and 624,304.80

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Solution

The fourth proportional to 624,304.80, 936,457.20 and 624,304.80 is: 936,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,304.80 : 936,457.20 = 624,304.80 : x
  2. Step 2: Convert to fraction form
    624,304.80/936,457.20 = 624,304.80/x
  3. Step 3: Cross multiply
    624,304.80x = 936,457.20 × 624,304.80
  4. Step 4: Simplify right side
    624,304.80x = 584,634,724,954.56
  5. Step 5: Solve for x
    x = 584,634,724,954.56/624,304.80
  6. Step 6: Final answer
    x = 936,457.20

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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.