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Finding the Fourth Proportional to 749,230.70, 1,123,846.05 and 749,230.70

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Solution

The fourth proportional to 749,230.70, 1,123,846.05 and 749,230.70 is: 1,123,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,230.70 : 1,123,846.05 = 749,230.70 : x
  2. Step 2: Convert to fraction form
    749,230.70/1,123,846.05 = 749,230.70/x
  3. Step 3: Cross multiply
    749,230.70x = 1,123,846.05 × 749,230.70
  4. Step 4: Simplify right side
    749,230.70x = 842,019,962,733.74
  5. Step 5: Solve for x
    x = 842,019,962,733.74/749,230.70
  6. Step 6: Final answer
    x = 1,123,846.05

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Double scale
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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.