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Finding the Fourth Proportional to 743,297.40, 1,041,316.20 and 743,297.40

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Solution

The fourth proportional to 743,297.40, 1,041,316.20 and 743,297.40 is: 1,041,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,297.40 : 1,041,316.20 = 743,297.40 : x
  2. Step 2: Convert to fraction form
    743,297.40/1,041,316.20 = 743,297.40/x
  3. Step 3: Cross multiply
    743,297.40x = 1,041,316.20 × 743,297.40
  4. Step 4: Simplify right side
    743,297.40x = 774,007,624,037.88
  5. Step 5: Solve for x
    x = 774,007,624,037.88/743,297.40
  6. Step 6: Final answer
    x = 1,041,316.20

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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.