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Finding the Fourth Proportional to 705,704.80, 1,060,630.80 and 614,466.40

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Solution

The fourth proportional to 705,704.80, 1,060,630.80 and 614,466.40 is: 923,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,704.80 : 1,060,630.80 = 614,466.40 : x
  2. Step 2: Convert to fraction form
    705,704.80/1,060,630.80 = 614,466.40/x
  3. Step 3: Cross multiply
    705,704.80x = 1,060,630.80 × 614,466.40
  4. Step 4: Simplify right side
    705,704.80x = 651,721,989,405.12
  5. Step 5: Solve for x
    x = 651,721,989,405.12/705,704.80
  6. Step 6: Final answer
    x = 923,505.11

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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.