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Finding the Fourth Proportional to 1,094,140.30, 1,641,210.45 and 1,094,140.30

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Solution

The fourth proportional to 1,094,140.30, 1,641,210.45 and 1,094,140.30 is: 1,641,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,140.30 : 1,641,210.45 = 1,094,140.30 : x
  2. Step 2: Convert to fraction form
    1,094,140.30/1,641,210.45 = 1,094,140.30/x
  3. Step 3: Cross multiply
    1,094,140.30x = 1,641,210.45 × 1,094,140.30
  4. Step 4: Simplify right side
    1,094,140.30x = 1,795,714,494,126.14
  5. Step 5: Solve for x
    x = 1,795,714,494,126.14/1,094,140.30
  6. Step 6: Final answer
    x = 1,641,210.45

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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.