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Finding the Fourth Proportional to 830,520.70, 1,163,516.30 and 830,520.70

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Solution

The fourth proportional to 830,520.70, 1,163,516.30 and 830,520.70 is: 1,163,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,520.70 : 1,163,516.30 = 830,520.70 : x
  2. Step 2: Convert to fraction form
    830,520.70/1,163,516.30 = 830,520.70/x
  3. Step 3: Cross multiply
    830,520.70x = 1,163,516.30 × 830,520.70
  4. Step 4: Simplify right side
    830,520.70x = 966,324,371,937.41
  5. Step 5: Solve for x
    x = 966,324,371,937.41/830,520.70
  6. Step 6: Final answer
    x = 1,163,516.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.