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Finding the Fourth Proportional to 2,178,210.30, 3,052,643.70 and 2,178,210.30

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Solution

The fourth proportional to 2,178,210.30, 3,052,643.70 and 2,178,210.30 is: 3,052,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,210.30 : 3,052,643.70 = 2,178,210.30 : x
  2. Step 2: Convert to fraction form
    2,178,210.30/3,052,643.70 = 2,178,210.30/x
  3. Step 3: Cross multiply
    2,178,210.30x = 3,052,643.70 × 2,178,210.30
  4. Step 4: Simplify right side
    2,178,210.30x = 6,649,299,949,570.11
  5. Step 5: Solve for x
    x = 6,649,299,949,570.11/2,178,210.30
  6. Step 6: Final answer
    x = 3,052,643.70

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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.