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Finding the Fourth Proportional to 714,692.73, 986,737.53 and 443,050.92

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Solution

The fourth proportional to 714,692.73, 986,737.53 and 443,050.92 is: 611,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,692.73 : 986,737.53 = 443,050.92 : x
  2. Step 2: Convert to fraction form
    714,692.73/986,737.53 = 443,050.92/x
  3. Step 3: Cross multiply
    714,692.73x = 986,737.53 × 443,050.92
  4. Step 4: Simplify right side
    714,692.73x = 437,174,970,465.03
  5. Step 5: Solve for x
    x = 437,174,970,465.03/714,692.73
  6. Step 6: Final answer
    x = 611,696.40

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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.