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Finding the Fourth Proportional to 734,115.10, 1,030,123.10 and 734,115.10

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Solution

The fourth proportional to 734,115.10, 1,030,123.10 and 734,115.10 is: 1,030,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,115.10 : 1,030,123.10 = 734,115.10 : x
  2. Step 2: Convert to fraction form
    734,115.10/1,030,123.10 = 734,115.10/x
  3. Step 3: Cross multiply
    734,115.10x = 1,030,123.10 × 734,115.10
  4. Step 4: Simplify right side
    734,115.10x = 756,228,922,568.81
  5. Step 5: Solve for x
    x = 756,228,922,568.81/734,115.10
  6. Step 6: Final answer
    x = 1,030,123.10

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Double scale
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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.