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Finding the Fourth Proportional to 788,692.80, 1,183,039.20 and 602,068.80

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Solution

The fourth proportional to 788,692.80, 1,183,039.20 and 602,068.80 is: 903,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,692.80 : 1,183,039.20 = 602,068.80 : x
  2. Step 2: Convert to fraction form
    788,692.80/1,183,039.20 = 602,068.80/x
  3. Step 3: Cross multiply
    788,692.80x = 1,183,039.20 × 602,068.80
  4. Step 4: Simplify right side
    788,692.80x = 712,270,991,496.96
  5. Step 5: Solve for x
    x = 712,270,991,496.96/788,692.80
  6. Step 6: Final answer
    x = 903,103.20

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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.